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Landscape function analysis: a system for monitoring rangeland function
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: David Tongway Norman HindleyLandscape Function Analysis (LFA) is a monitoring procedure that uses quickly determined field indicators to assess the functional status of rangelands. As such, it complements existing procedures that assess condition. It comprises three modules — a conceptual framework, a field... -
HIV/AIDS Education in Butare-ville Secondary Schools (Rwanda): Analyzing Pedagogic Discourse Using a Bernsteinian Framework
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wayne Hugo --- University of KwaZulu-Natal, South Africa Vedaste Nyilimana --- Kigali Institute of Education, RwandaThis article presents three case studies of how HIV/AIDS education is being organized and taught in Rwanda. It analyses what teachers were doing in 2005 through classroom teaching to safeguard young people from HIV/AIDS. A pedagogic framework is introduced and... -
South African Adolescents' Career Development through the Lens of the Systems Theory Framework: An Exploratory Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mary McMahon --- The University of Queensland, Mark Watson --- Nelson Mandela Metropolitan University, Cheryl Foxcroft --- Nelson Mandela Metropolitan University, Asha Dullabh --- Nelson Mandela Metropolitan University,Adolescent career development has predominantly been studied in the context of middle class Eurocentric cultures and there have been calls for greater attention to the career development of non-dominant and disadvantaged groups. Further, there have been calls to explore career... -
South African Educators' Voice on the Potential Role of Traditional Healers (THs) in Education Support Services
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Johanna L. Geldenhuys --- Nelson Mandela Metropolitan University, South AfricaThe aim of this qualitative research was to explore and describe perceptions of the potential role of traditional healers in education support services. Participants were 42 teachers (males = 13, females = 29) from a school district in the Eastern... -
A Model for Psychosocial Well-Being of Families in a South African Context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Vicki Koen --- North-West University, South Africa Chrizanne van Eeden --- North-West University, South Africa Sebastiaan Rothmann --- North-West University, South AfricaThis study applied the approach of Dickoff, James, and Wiedenbach (1968) to construct a conceptual framework and a model for the psychosocial well-being of families from diverse cultures in a South African context. Findings from previous qualitative research served as... -
Homomorphisms of complete distributive lattices
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: A. Pultr J. Sichler V. TrnkováThe category of all complete distributive lattices and their complete homomorphisms is universal, and this is also true for the category of all complete distributive lattices whose morphisms preserve complete joins, finite meets and an additional nullary operation. A survey... -
Balanced and Closed-generated Filters In Frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba DubeWe introduce the notions of balanced filters and closed-generated filters in frames and use them to give a new characterisation of normality for frames, and hence, due to normality being a conservative property, a new characterisation of normality for topological... -
A Pointfree Study of Bases For Spaces Of Minimal Prime Ideals
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Melvin Henriksen Joanne Walters-WaylandLet C (X) denote the ring of all real-valued continuous functions on a topological space X, and mX its space of minimal prime ideals with the hull-kernel topology. It has a base consisting of clopen sets and which contains the... -
Notes on Uniform Frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba DubeWe introduce the notion of uniform paracompactness to uniform frames and give several characterisations thereof. In another context, we show that the locally fine reflector commutes with the completion in the category of strong nearness frames. -
Irreducibility in Pointfree Topology
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba DubeIrreducible spaces have been studied in topology by several authors. A. H. Stone introduced semi-irreducibility as a way of studying hereditarily compact spaces. In this paper we investigate these concepts in the context of frames. -
A Note on Locally Connected Compactifications of Frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: D. BaboolalNecessary and sufficient conditions are given for a completely regular frame to have a locally connected compactification. -
Bounded quotients of frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba DubeWe define various notions of boundedness in frames along the lines of similar concepts for subspaces and give characterizations of these in terms of filters. In particular we study in depth the frame-theoretic analogue of subspaces that are known in... -
The Galois Approach to Uniform Structures
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Maria João Ferreira Jorge PicadoEntourages in uniform spaces, being binary relations, may be easily described by polarities (i.e. Galois connections between power sets) and axialities (i.e. residuated pairs between power sets). Here we consider this in the pointfree context of the category of frames,... -
Representation of slim algebraic regular cozero maps
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: A. Karimi FeizabadiIn this paper a new tool, the cozero maps, is introduced to study algebraic structures in pointfree topology, which generalizes cozero elements and the cozero part of a frame. The slim regular algebraic cozero maps are represented. We proved that... -
On Lindel¨of uniform frames and the axiom of countable choice
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: B. Banaschewski J.L. Walters-WaylandThis paper takes another look at the result that any complete separable uniform frame is Lindelöf and some of its ramifications. In particular, it shows that this is equivalent to the axiom of countable choice and provides a new, considerably... -
Aspects of nearness in σ-frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Inderasan NaidooWe introduce the notion of a nearness on a σ-frame. The concept of strong nearness for a σ-frame is intermediate between those of nearness and uniformity and we show that the category of strong nearness σ-frame SN σ Frm is... -
Katětov revisited: a frame-theoretic excursion
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba DubeThe Katětov extension of a frame is, as in the case of spaces, compact only for compact completely regular frames. This result is purely topological because, subject to appropriate foundations, compact regular frames are topologies. In this paper we find... -
A Few Points on Pointfree Pseudocompactness
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba Dube Phethiwe MatutuWe present several characterizations of completely regular pseudocompact frames. The first is an extension to frames of characterizations of completely regular pseudocompact spaces given by Väänänen. We follow with an embedding-type characterization stating that a completely regular frame is pseudocompact... -
Lattice-Valued Convergence Ring and Its Uniform Convergence Structure
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: T.M.G. Ahsanullah --- Department of Mathematics, Saudi ArabiaConsidering L a frame, we introduce the notion of stratified L-neighborhood topological ring, produce some characterization theorems including its Luniformizability. With the help of the notions of stratified convergence structures attributed to Gunther Jäger [10], we introduce and study various... -
SPREAD UNIFORMITIES AND UNIFORM SPREADS
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Hlengani Slweya --- Department of Mathematics, University of the North, Sovenga, South Africa,We discuss a point-free analog of the topological fact that every uniformly continuous function on a dense subspace of a uniform space into a complete uniform space has a unique uniformly continuous extension. It is shown that a uniform frame... -
STABLY CONTINUOUS σ-FRAMES
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Phethiwe Matutu --- Department of Mathematics, University of Stellenbosch, Matieland, South Africa,It is shown that the categories of stably continuous σ-frames and compact regular?—biframes are equivalent. This is the analogue of Banaschewski and Brummer [1], linking the stably continuous frames and compact regular biframes. -
Pointfree Aspects of the Td Axiom of Classical Topology
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bernhard Banaschewski --- Department of Mathematics and Statistics, Canada Ale[sbreve] Pultr --- Department of Applied Mathematics and ITI, MFF, Czech RepublicAbstraction from the condition defining To-spaces leads to the following notion in an arbitrary frame L: a filter F in L is called slicing if it is prime and there exist a, b e L such that a £ F,... -
Asymmetric filter convergence and completeness
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: John Frith --- Department of Mathematics and Applied Mathematics, South Africa Anneliese Schauerte --- Department of Mathematics and Applied Mathematics, South AfricaCompleteness for metric spaces is traditionally presented in terms of convergence of Cauchy sequences, and for uniform spaces in terms of Cauchy filters. Somewhat more abstractly, a uniform space is complete if and only if it is closed in every... -
Factors associated with HIV infection among sexually experienced adolescents in Africa: a pooled data analysis
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Stella Babalola --- Johns Hopkins Bloomberg School of Public Health, United StatesThe article examines the factors associated with HIV status among adolescents aged 15–19 years in 13 African countries: Côte d'Ivoire, Democratic Republic of Congo, Guinea, Kenya, Liberia, Mali, Malawi, Rwanda, Sierra Leone, Swaziland, Tanzania, Zambia and Zimbabwe. The data were... -
Water policy in southern Africa: A brief synopsis of some of the macro driving forces
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AR TurtonThe water sector reforms that are underway in many parts of southern Africa are a manifestation of a global phenomenon. This is rooted in the human response to the undesirable consequences of development, and seeks to introduce the notion of... -
An ecosystem framework for fisheries management in the southern Benguela upwelling system
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L. J. Shannon C. L. MoloneyA "four-step framework" for applying ecosystem approaches to fisheries management in the southern Benguela is proposed. First, static ecosystem models can be used to highlight important interactions by assessing the net trophic impacts of each species on all the others... -
Modelling regime shifts in the southern Benguela: a frame-based approach
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MD Smith --- Marine Research (MA-RE) Institute and Zoology Department, South Africa A Jarre --- Marine Research (MA-RE) Institute and Zoology Department, South AfricaThis study explores the usefulness of a frame-based modelling approach in the southern Benguela upwelling ecosystem, with four frames describing observed small pelagic fish dominance patterns. We modelled the dynamics of sardine Sardinops sagax and anchovy Engraulis encrasicolus populations under... -
The role of pregnancy intention in HIV prevention in South Africa: a proposed model for policy and practice
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: MarjorieR Sable KayM Libbus Debra Jackson Harry HauslerMother-to-child transmission is a continuing source of new HIV infections in South Africa. The paper posits that insight into the socio-cultural, behavioural, environmental and economic factors that sustain the HIV epidemic is as important as understanding the biological causes of... -
Understanding diversity in impact and responses among HIV/AIDS-affected households: the case of Msinga, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kees Swaans Jacqueline Broerse Irma Van Diepen Monique Salomon Diana Gibson Joske BundersTo gain a more comprehensive understanding of the impact of HIV and AIDS on rural households in Msinga, South Africa, the sustainable livelihoods framework was adapted. An ethnographic perspective was employed to examine: 1) the impact of HIV/AIDS-related illnesses on... -
Developing a policy and operational protocol for the formation of new commercial fisheries in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Oosthuizen WHH Sauer CJ AugustynThe development of new fisheries is one of the few options open to support the demands of South Africans for increased commercial access to their marine resources. Globally, the development of most new fisheries has been far from sustainable. Typically,... -
Quotient Maps: Frame-Valued Spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: H. Boustique G. RichardsonIt is known that the category of frame-valued convergence spaces is topological, cartesian-closed and extensional. Properties of quotient maps between objects in this category are investigated here; in particular, it is shown that quotient maps are productive under arbitrary products. -
Epimorphisms of metric frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bernhard Banaschewski Aleš PultrThis paper deals with several aspects of epimorphisms in the category MFrm of metric frames and contractive homomorphisms. In particular, it is shown that i. the epicomplete metric frames are uniquely determined by the power-set lattices of sets,... -
Frame valued stratified generalized convergence groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: T.M.G. Ahsanullah Jawaher Al-MufarrijFollowing the notion of stratified L-fuzzy convergence space of Gunther Jäger [Quaest. Math. 24 (2001), 501–517], we introduce the notion of a stratified L-generalized convergence group, and look into some other objects, namely, stratified L-Kent convergence groups, and stratified L-principal... -
Functorial relationships between lattice-valued topology and topological systems
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: J.T. Denniston S.E. RodabaughThis paper investigates functorial relationships between lattice-valued topology (arising from fuzzy sets and fuzzy logic) and topological systems (arising from topological and localic aspects of domains and finite observational logic in computer science). Two such relationships are embeddings from TopSys... -
Oz in pointfree topology
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bernhard Banaschewski Themba Dube Christopher Gilmour Joanne Walters-WaylandOz frames are the natural pointfree counterpart of Oz spaces, that is, those topological spaces in which every open set is z-embedded. We give here the point-free analogues of known characterisations of Oz spaces and show that the Lindelöf coreflection... -
Projective biframes: a general view
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jan Paseka* --- Department of Mathematics and Statistics, Czech RepublicWe begin with the notion of K-flat projectivity. For each biframe L we then introduce a binary relation ◃L on it. The K-flat projective biframes are exactly such biframes with each element a of the total (first, second) part approximated... -
Notes Concerning Characterizations of Quasi-F Frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba Dube --- Department of Mathematical Sciences, South Africa Mack Matlabyane --- Department of Mathematics and Applied Mathematics, South AfricaWe give several characterizations of quasi F-frames. To name a few, let ℛL denote, as usual, the ring of real-valued continuous functions on a completely regular frame L. Then, L is quasi-F iff Ann2(α) + Ann2(β) = ℛL whenever α... -
A model to determine the theoretical maximum feed speed of a frame saw
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: CB WesselsThe frame saw is a popular primary and secondary log breakdown saw in South Africa. In this study a theoretical model for estimating the maximum feed speed of a frame saw is derived. Contrary to earlier models, the actual blade... -
Implementing an Operational Risk Management Framework: Psycho-Social Factors in Tanzania
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annelize van Niekerk --- University of South Africa, South Africa Dirk J Geldenhuys --- University of South Africa, South Africa Madia M Levin --- University of South Africa, South Africa Michelle May --- University of South Africa, South Africa K.P. Moalusi --- University of South Africa, South AfricaThis qualitative study explored the psychosocial factors that affect the implementation of an operational risk management framework in a financial institution in Tanzania. A purposive sample of 39 participants from three financial institutions was interviewed using semistructured interviews. The data... -
Development of a career-enabler framework within a South African higher education institution
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anton Grobler --- Unisa Graduate School of Business Leadership, South Africa Elizabeth Cornelia Rudolph --- Unisa Graduate School of Business Leadership, South Africa Magdalena Louise Bezuidenhout --- Unisa Graduate School of Business Leadership, South AfricaThis study developed a preliminary career-enabler framework for use in a higher education setting. A quantitative survey was conducted with a sample of 1392 employees within a higher education institution in South Africa. Structural analysis was performed using exploratory factor... -
Comparative and theoretical framework of Brazilian hospitality studies
Item type: Journal Article • Journal: • Authors: Elizabeth K. Wada --- School of Hospitality and Tourism, Anhembi Morumbi University, São Paolo, Brazil Airton José Cavenaghi --- School of Hospitality and Tourism, Anhembi Morumbi University, São Paolo, Brazil Maria do Rosário Rolfsen Salles --- School of Hospitality and Tourism, Anhembi Morumbi University, São Paolo, BrazilThe purpose of this article is to give a summary of the bibliographical production of the first publications made by the Master’s Programme in Hospitality at the Anhembi Morumbi University, São Paolo, the compilations edited by Célia Maria de Moraes... -
The appropriateness of performance measurement in the service sector: A case study
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: K Sartorius --- School of Accountancy, C Eitzen --- School of Accountancy, C Nicholson --- School of Accountancy,The development of performance measures in service companies has not kept abreast with their manufacturing counterparts despite the unprecedented growth of this sector in recent decades. The objective of this paper is to contribute towards a better understanding of the... -
Accounting academics’ multiple challenges: Issues-driven learning offers a way forward
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: J H Hesketh --- Management Studies Education Unit,Accounting academics in South Africa are under pressure from their stakeholders, particularly the South African Institute of Chartered Accountants (SAICA) and the Department of Education (DoE), to make urgent changes. Challenges include the need for increased research output and for... -
A Note: The perceptions of a CTA class regarding the changes to the international accounting standards dealing with financial instruments
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: G Steenkamp --- University of Stellenbosch,The IASB has recently begun redeveloping the accounting standards that deal with financial instruments. During 2009 the IASB issued an exposure draft (ED 7/2009), which proposed certain changes to IAS 39. This study seeks to investigate the perceptions of a... -
Sustainability in accounting education: An analysis of the teaching thereof at accredited South African universities
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: B Marx --- Department of Accountancy, A van der Watt --- Department of Accountancy,Accountants and auditors are key role players in the financial world and society at large and as such can play a vital role in fostering awareness of sustainability and creating sustainable business practices. The issue of sustainability in accounting education... -
South African Statements of Accounting Practice as Part of a User-oriented Framework
Item type: Journal Article • Journal: De Ratione • Authors: J.A. Miller --- University of Natal-Durban,In this third and final article on a suggested Hierarchy of Objectives for Financial Reporting the author deals with Statements of Accounting Practice as the operational level thereof, implementing concepts and principles towards achieving the objectives defined. As a consequence... -
Rekeningkimde vir natuurlike hulpbronne en die FASB se konseptuele raamwerk
Item type: Journal Article • Journal: De Ratione • Authors: Q Vorster --- Universiteit van Pretoria, D S Lubbe --- Universiteit van die OVS, -
The evaluation of development projects. A South African anthropological perspective
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: RD Coertze --- Centre for Indigenous Law, South AfricaThe need to equate development with a process of self-directed westernisation in the present time is explained initially in this discussion. This is followed by a discussion on the involvement of the Ethnological Section of the former Department of Development... -
Succession to Bogosi among the Batlhako ba Matutu in a changing dispensation
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: RD Coertze --- School of Law, University of South Africa, FC de Beer --- Department of Anthropology and Archaeology,Dealing with a succession dispute among the Batlhako ba Matutu required a study of their politico-administrative structure, their marriage rules and procedures, as well as the genealogical succession of their senior traditional leaders since 1830. Research findings disclosed traditional rules... -
HIV-related disabilities: an extra burden to HIV and AIDS healthcare workers?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Leonie van Egeraat --- Health Economics and HIV/AIDS Research Division (HEARD), South Africa Jill Hanass-Hancock --- VU University, The Netherlands Hellen Myezwa --- University of the Witwatersrand, South AfricaBackground: Healthcare workers have been at the forefront of dealing with the impact of HIV and AIDS at all stages of the pandemic. This brings new challenges to include disability into HIV care. However, the implications for healthcare workers in... -
An ontology-based framework for mobile learning in rural secondary schools
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sibangiso Ngwenya --- Department of Computer Science, Zimbabwe Sikhulumani Bayeza Mangena --- Department of Computer Science, Zimbabwe John Trimble --- Department of Computer Science, Zimbabwe John Dumisani Hlatywayo --- Department of Computer Science, Zimbabwe Khesani Richard Chilumani --- Department of Computer Science, ZimbabweIn some countries mobile learning is becoming an important issue in academic institutions, as teachers and students get connected to networks through smart phones that combine telephony, computing, messaging and multimedia. However, in rural areas the process of designing, communicating... -
Studying the Logone floodplain, Cameroon, as a coupled human and natural system
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Moritz --- Department of Anthropology, USA S Laborde --- Department of Anthropology, USA SC Phang --- Department of Evolution, Ecology, and Organismal Biology, USA M Ahmadou --- University of Maroua, Cameroon M Durand --- Byrd Polar Research Center, USA A Fernandez --- Byrd Polar Research Center, USA IM Hamilton --- Department of Evolution, Ecology, and Organismal Biology, USA S Kari --- Centre d'Appui a la Recherche et au Pastoralisme (CARPA), Cameroon B Mark --- Byrd Polar Research Center, USA P Scholte --- Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ), Cameroon N Xiao --- Department of Geography, USA R Ziebe --- University of Maroua, CameroonAfrican floodplains are an excellent example of coupled human–natural systems because they exhibit strong interactions among multiple social, ecological, and hydrological systems. The intra-annual and interannual variations in seasonal flooding have direct and indirect impacts on ecosystems and human lives... -
Institutional and regulatory framework for biodiesel production: International perspectives and lessons for South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chipo Mukonza --- Institute of Corporate Citizenship, South Africa Godwell Nhamo --- Institute of Corporate Citizenship, South AfricaBiodiesel is produced from a range of feedstock including oil seeds (canola/rape and soya beans), as well as used cooking oil. This is done by converting the oil to methyl esters in a transesterification process that yields glycerine as one... -
From enterprise development to inclusive innovation – A systemic instruments framework for regional innovation support
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sara S (Saartjie) Grobbelaar --- Department of Industrial Engineering and DST-NRF Centre of Excellence in Scientometrics and Science, South Africa Nigel Gwynne-Evans --- Trade and Sector Development, Western Cape Department of Economic Development and Tourism, South Africa Alan C. Brent --- Department of Industrial Engineering, South AfricaAlthough the role and importance of innovation support in South Africa is a well-recognised concept on the national level, provincial governments have only recently started to debate, investigate and explore instruments through which innovation can be leveraged and supported regionally... -
Comparative and theoretical framework of Brazilian hospitality studies
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Elizabeth K. Wada --- School of Hospitality and Tourism, Anhembi Morumbi University, Brazil Airton José Cavenaghi --- School of Hospitality and Tourism, Anhembi Morumbi University, Brazil Maria do Rosário Rolfsen Salles --- School of Hospitality and Tourism, Anhembi Morumbi University, BrazilThe purpose of this article is to give a summary of the bibliographical production of the first publications made by the Master's Programme in Hospitality at the Anhembi Morumbi University, Sã;o Paolo, the compilations edited by Célia Maria de Moraes... -
The Internationalization of African Small and Medium Enterprises (SMEs): A South-North Pattern
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Everlyne Misati --- Florida International University, USA Fred O. Walumbwa --- Florida International University, USA Somnath Lahiri --- Illinois State University, USA Sumit K. Kundu --- Florida International University, USADespite the growing internationalization of small and medium enterprises (SMEs) from Africa, related research remains limited. Adopting a qualitative approach, this study investigates three SMEs in the African coffee subsector that internationalized rapidly beyond the continent. The case studies, based... -
Ecological correlates of multiple sexual partnerships among adolescents and young adults in urban Cape Town: a cumulative risk factor approach
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Evans Muchiri --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South Africa Clifford Odimegwu --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South Africa Pamela Banda --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South Africa Lorreta Ntoimo --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South Africa Sunday Adedini --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South AfricaStudies in South Africa have reported unsafe levels of risky sexual behvaiours among adolescents and young adults, with the country reporting the highest burden of HIV/AIDS globally, as well as a high rate of teenage pregnancy. While determinants of risky... -
Vicarious traumatisation experiences among South African Police Service members in a rural setting: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- Department of Psychology, South AfricaThe objective of this study was to explore the vicarious traumatisation experiences of South African Police Service members serving in a rural community. The participants consisted of 17 purposively selected police members (females = 4; age range 27 to 55;... -
A privacy management framework for personal electronic health records
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Floyd Els --- Department of Information Systems, University of Fort Hare, South Africa Liezel Cilliers --- Department of Information Systems, University of Fort Hare, South AfricaPersonal electronic health records (PEHRs) can be used by patients to manage their health and lifestyle better. PEHRs can provide a more efficient communication channel between the patient and healthcare provider; reduce medical errors and enhance the monitoring of patients... -
A methodological framework for sustainable development with vulnerable communities
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lucas F.V. Ribeiro --- Environmental Systems Engineering, Canada Dena W. McMartin --- Environmental Systems Engineering, CanadaThe Smart Community Development Framework (SCDF) is a methodological framework that selectively identifies and optimizes sustainable development approaches such as permaculture, sustainable livelihood approaches, community-based social marketing, environmental impact assessments and project management to effectively design and introduce clean social... -
The underlying concepts of the definition of a liability in financial reporting: A doctrinal research perspective
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Daniël Coetsee --- , South AfricaAccounting literature has identified fundamental conceptual issues and uncertainties regarding the financial reporting treatment of liabilities. This paper assesses whether the underlying concepts for the definition of a liability are robust and sufficiently developed in the 2018 Conceptual Framework of... -
Will Africapitalism work?
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Emmanuel Adegbite --- , UK Olabisi Daodu --- , UK Jacob Wood --- , SingaporeAfricapitalism suggests a refined capitalist system aimed at achieving collective good unlike the shareholder value maximization model of Anglo-American capitalism. It emphasizes the obligations of the private sector in Africa to pursue socio-economic development. Despite these proposed benefits, this paper... -
Changes in pastoral mobility in a semi-arid montane region of South Africa: The role of policy and legislation
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M Igshaan Samuels --- , South Africa Nicky Allsopp --- , South Africa M Timm Hoffman --- , South AfricaLegislation and policy are key tools used by governments to change the socio-economic and political landscape of agrarian systems with consequences for mobile pastoralism. This study used the social-ecological systems framework to examine how pastoral mobility in the semi-arid, montane... -
The dapivirine vaginal ring from the perspective of married men in Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Anita Kabarambi --- , Uganda Sylvia Kusemererwa --- , Uganda Emily Krogstad --- , South Africa Philippe Mayaud --- , Uganda Janet Seeley --- , Uganda Joseph Mugisha --- , Uganda Mitzy Gafos --- , United KingdomBackground: Men play a key role in influencing uptake of women’s health products, such as female condoms and vaginal microbicides used for family planning and HIV prevention. -
Students’ experience of pervasive skills acquired through sponsored projects in an undergraduate accounting degree
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Marelize Malan --- , Republic of South Africa Vanessa van Dyk --- , Republic of South AfricaAn accounting graduate should not only possess technical knowledge, but also core competencies and pervasive skills necessary to meet the needs of employers and society as a whole. This study is centred on the undergraduate accounting programme of a South... -
Creating a technical architecture framework for m-voting application
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tiko Iyamu --- , South AfricaSouth Africa’s general election of 2019 posed many challenges, some of which threatened the credibility of its result, and the entire election process. Some of the challenges were multiple voting, many hours of queuing, which led to fatigue, and a... -
Applying legitimacy theory to understand sustainability reporting behaviour within South African integrated reports
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Shelly Herbert --- , South Africa Mark Graham --- , South AfricaSustainability disclosures are frequently included within integrated reports, in order to provide disclosures relating to the capitals identified in the International <IR> Framework (the Framework). South Africa has been at the forefront of integrated reporting, following the guidance of King... -
Adoption of dual-purpose sweetpotato varieties under partial population exposure in Rwanda: Insights from an African plant breeding programme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gideon Danso-Abbeam --- , South Africa Lloyd J.S. Baiyegunhi --- , South Africa Mark D. Laing --- , South Africa Hussein Shimelis --- , South AfricaAs part of the Green Revolution, plant breeding programmes such as the African Centre for Crop Improvement have trained scientists to breed crop varieties in Africa to address the challenges of low productivity. However, exposure to and adoption of these... -
The mediating role of ICT regulation on the effects of ICT access and ICT use on e-participation: Evidence from structural equation modelling and necessary condition analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ibrahim Osman Adam --- University for Development Studies, Ghana Muftawu Dzang Alhassan --- SD Dombo University of Business and Integrated Development Studies, GhanaRecently, governments have been using information and communication technologies (ICTs) to provide platforms for citizen engagement and involvement through e-participation. This paper aims to explore the drivers behind e-participation in a global context. The discourse on e-participation in the information... -
Electronic customer relationship management framework for Game Parks in Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Theo Tsokota --- Midlands State University, Zimbabwe Gilbert Mahlangu --- Midlands State University, Zimbabwe Muchaneta Enipha Muruko --- MSc Information System Management Graduate Student at Midlands State University, Zimbabwe Colletor Tendeukai Chipfumbu Kangara --- Midlands State University, ZimbabweElectronic customer relationship management (e-CRM) is acknowledged today as an obligatory concept of customer relationship management in the world of services. However, there is a lack of any clear e-CRM framework for Game Parks in Zimbabwe. Consequently, this study’s primary... -
A look at the structure of congruence frames by means of Heyting congruences
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: John Frith --- University of Cape Town, South Africa Anneliese Schauerte --- University of Cape Town, South AfricaThis paper concerns the congruence frame in the setting of partial frames, which, in contrast to full frames, do not necessarily have all joins. Examples of these include bounded distributive lattices, σ- and κ-frames. A new class of congruences, called... -
Weak signal detection: A discrete window of opportunity for achieving ‘Vision 90:90:90’?
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Christopher J. Burman --- , , South Africa Marota Aphane --- , , South Africa Peter Delobelle --- , , South AfricaIntroduction: UNAIDS’ Vision 90:90:90 is a call to ‘end AIDS’. Developing predictive foresight of the unpredictable changes that this journey will entail could contribute to the ambition of ‘ending AIDS’. There are few opportunities for managing unpredictable changes. We introduce... -
Towards a conceptual framework for measuring innovation in the agricultural sector in sub-Saharan developing countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yasser Buchana --- Human Science Research Council, South Africa Moses M. Sithole --- Human Science Research Council, South AfricaDespite the importance and benefits of measuring innovation in businesses, standard methods for innovation measurement, such as the Oslo Manual, largely exclude the agricultural sector. As a result, innovation scholars in developing countries struggle to develop knowledge to understand innovation... -
A circular economy approach to plastics in hospitality: a Frisian case study
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Livia Westgeest --- University of Groningen, The NetherlandsDespite its importance and influence on global plastic consumption, plastic management in the hospitality industry remains largely under-researched. This study aimed to investigate the perceived opportunities and barriers to reducing, reusing and recycling single-use plastics among a group of Frisian... -
Frame presentations of compact hedgehogs and their properties
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Igor Arrieta --- University of Coimbra, Portugal Javier Gutiérrez García --- University of the Basque Country UPV/EHU, Spain Jorge Picado --- University of Coimbra, PortugalThis paper considers the compact hedgehog as a frame presented by generators and relations, based on the presentation of the frame of extended real numbers. The main focus will be on the point-free version of continuous and semi-continuous functions that... -
A pointfree theory of Pervin spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Célia Borlido --- Centre for Mathematics of the University of Coimbra (CMUC), Portugal Anna Laura Suarez --- Université Nice Sophia Antipolis, FranceWe lay down the foundations for a pointfree theory of Pervin spaces. A Pervin space is a set equipped with a bounded sublattice of its powerset, and it is known that these objects characterize those quasi-uniform spaces that are transitive... -
A literature review of implementing virtual reality in hospitality education
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Frederik Jan van der Meulen --- NHL Stenden University of Applied Sciences, The Netherlands Marit de Vries --- NHL Stenden University of Applied Sciences, The NetherlandsThis article provides a systematic view of the published research topics relevant to an understanding of using virtual reality (VR) in hospitality education. The structure of the literature review is based on the PRISMA reporting guidance and reviews two main... -
Critical thinking: Stakeholder expectations and challenges for Accountancy educators
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E. A. J. Terblanche --- University of South Africa, South Africa C. C. Shuttleworth --- University of South Africa, South Africa A. A. van Rooyen --- University of South Africa, South Africa R. N. Masela --- University of South Africa, South AfricaDeveloping future accountants who are critical thinkers, able to adapt in a volatile, uncertain, complex, and ambiguous (VUCA) world, remains one of the biggest challenges facing accounting educators. Competency frameworks of professional accounting bodies do provide some guidance in terms... -
Some properties of conjunctivity (subfitness) in generalized settings
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M. Andrew Moshier --- CECAT, Chapman University, USA Jorge Picado --- University of Coimbra, Portugal Aleš Pultr --- Charles University, Czech RepublicThe property of subfitness used in point-free topology (roughly speaking) to replace the slightly stronger T 1-separation, appeared (as disjunctivity) already in the pioneering Wallman’s [16], then practically disappeared to reappear again (conjunctivity, subfitness), until it was in the recent... -
Remote sublocales
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mbekezeli Nxumalo --- University of South Africa, South AfricaWe use the notion of a remote collection of a Tychonoff space to define a remote sublocale of any locale. Our definition is conservative, in the sense that, a subset is remote if and only if the sublocale it induces... -
A construction of the assembly of a frame
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Richard N. Ball --- University of Denver, U.S.AWe offer here a particularly simple and direct construction of the congruence frame of a given frame, aka its assembly, from the bounded meet semilattice of differences of frame elements. The construction enables economical proofs of two of the assembly’s... -
Notes on sublocales and dissolution
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jorge Picado --- University of Coimbra, Portugal Aleš Pultr --- Charles University, Czech RepublicThe dissolution (introduced by Isbell in [3], discussed by Johnstone in [5] and later exploited by Plewe in [12, 13]) is here viewed as the relation of the geometry of L with that of the more dispersed T(L) = S(L)op... -
Blockchain technology-driven supply chain financing for Ghana’s SMEs: An evaluation of the dilemmas to adoption using a picture fuzzy preference selection index technique
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Elijah Asante Boakye --- University of Electronic Science and Technology of China, People’s Republic of China Hongjiang Zhao --- University of Electronic Science and Technology of China, People’s Republic of China Millicent Adu-Damoah --- University of Electronic Science and Technology of China, People’s Republic of ChinaSmall and medium-sized enterprises (SMEs) have been urged to embrace blockchain technology-driven supply chain financing (BcTSCF) by the Ghana Enterprises Agency (GEA) and the Association of Ghana Industries (AGI); however, a substantial number have not responded favourably. With the utilization... -
Understanding Ethiopia’s maize innovation system: Application of integrated innovation system and sustainability transition perspectives
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Daniel Nigussie --- Addis Ababa University, Ethiopia Getnet Alemu --- Addis Ababa University, Ethiopia Million Gebreyes --- International Livestock Research Institute, Sustainable Livestock System (Social Scientist), EthiopiaAgricultural innovation is a top priority on the global sustainable development agenda to solve food insecurity, land degradation, climate-change issues, poverty, and unemployment. This paper aims to identify systemic problems and socio-technical transition factors that hinder the development, dissemination, and... -
A guiding framework for promoting public-private partnerships in research and innovation: Evidence from a developing country context
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Shem Sikombe --- Copperbelt University, Zambia Franco Muleya --- Copperbelt University, Zambia Joseph Phiri --- Copperbelt University, Zambia Sambo Zulu --- Leeds Beckett University, UK Peter L. Simasiku --- Copperbelt University, Zambia Mercy Situtu --- Kitwe and District Chamber of Commerce and Industry, ZambiaPublic-private partnerships have long existed in literature, primarily in the construction sector. However, there is a paucity of research on the research and innovation ecosystem. This research aims to develop a framework for promoting public-private partnerships in research and innovation... -
A framework for using social media for organisational learning: An empirical study of South African companies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Harry Moongela* --- University of Pretoria, South Africa Marié Hattingh --- University of Pretoria, South AfricaThis study addresses the gap in the literature in terms of the lack of guidelines for organisations that would like to use social media to facilitate organisational learning (OL). This study presents an overarching conceptual theoretical framework that can assist... -
Framing HIV and AIDS in competitive authoritarian democracies. Case study of the print press in Mozambique, 1986–2020
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Araújo Domingos --- KTH Royal Institute of Technology, Sweden Nina Wormbs --- KTH Royal Institute of Technology, Sweden Urban Lundberg --- Dalarna University, SwedenMozambique has the sixth highest prevalence of HIV in the world and ranks fourth in new infections. The government-owned print press Notícias has played an important role in the social construction of HIV and AIDS in the country as it... -
Determinants of accounting information systems technologies adoption by SMEs in Ethiopia: A sub-Saharan country perspective
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abera Aynekulu Abate --- Debark University, EthiopiaThis study sought to pinpoint determinants of AISs technologies adoption among SMEs in Ethiopia. Two dominant diffusion of innovation theories, namely Technology-Organization-Environment (TOE) and Diffusion of Innovation (DOI) were contextualized to predict SMEs’ AISs adoption. A quantitative research approach with... -
On variants and generalizations of J-frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Siyabonga S. Dubazana --- University of KwaZulu-Natal, S.A. Simo S. Mthethwa --- University of KwaZulu-Natal, S.A.A J-frame is a pointfree topology counterpart of the concept of a J-space. In this paper, we present a study of some frames satisfying conditions that are stronger (and some that are weaker) than those defining J-frames. Conditions under which... -
On a variant of extremal disconnectedness in locales and spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba Dube --- University of South Africa, South Africa Ali Taherifar --- Yasouj University, IranWe study a variant of extremal disconnectedness in frames, defined by requiring that any two disjoint open sublocales should be separable by disjoint open sublocales each of which is the interior of some zero-sublocale. In spaces, this notion was recently... -
Restaurant adoption of social media: an extension of the technology, organisation and environment model
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rora Puspita Sari --- Padjadjaran University, Indonesia Dika Jatnika --- Padjadjaran University, Indonesia Kurnia Khafidhatur Rafiah --- Padjadjaran University, Indonesia Desty Hapsari Kirana --- Padjadjaran University, Indonesia Fajar Kusnadi Kusumah Putra --- Politeknik Pariwisata NHI Bandung, IndonesiaThe aims of this study examine factors that affect restaurants’ adoption of social media platforms by utilising the technological, organizational, and environmental (TOE) framework, and market orientation and marketing intelligence from the business perspectives. This article utilises the TOE framework... -
A note on the construction of non-spatial frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Abolghasem Karimi Feizabadi --- Islamic Azad University, Iran Mahmoud Manafi --- Berlin College of Business and Technology (BCBT), Germany Inderasan Naidoo --- University of South Africa (UNISA), South AfricaWe introduce a new type of ideal, which we term a ζ-ideal (zeta-ideal), on a topological space. We present examples of ζ-ideals and study their properties. ζ-Ideals are shown to provide a new paradigm for constructing non-spatial frames. Beyond that,... -
Building an ethical artificial intelligence corporate governance framework for the integration of emerging technologies into business processes
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Husain Coovadia --- University of Johannesburg, South Africa Ben Marx --- University of Johannesburg, South Africa Ilse Botha --- University of Johannesburg, South Africa Nusirat O. Gold --- University of Johannesburg, -
Psychosocial predictors of adolescent depression and mental health referral in an urban mobile medical unit programme
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Alia Richardson --- University of Chicago, United States of America Icy Cade-Bell --- University of Chicago, United States of America Madison DeRoo --- University of Chicago Medicine, United States of America Blair Foushi --- University of Chicago, United States of America Emily Wang --- University of Chicago, United States of America Alexandra Knitter --- University of Chicago, United States of America Anna Volerman --- University of Chicago, United States of AmericaIntroduction: Given worsening youth mental health over the past years, mobile medical units are a potential avenue to increase access to mental healthcare services. -
Ghost gear crisis: the threat of ‘abandoned, lost or otherwise discarded fishing gear’ (ALDFG)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LA Odhiambo --- Directorate of Research and Innovation, Kenya F Kawaka --- Jaramogi Oginga Odinga University of Science and Technology, Kenya J Sande --- , KenyaAbandoned, lost or otherwise discarded fishing gear (ALDFG), also known as ghost gear, represents one of the most under-addressed environmental threats. ALDFG is a problem because it is often non-biodegradable and continues to trap marine life long after the gear... -
Macro-level determinants of research output in Nigerian knowledge institutions: A case study of ICT researchers
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bolanle A. Adewusi --- , Canada Oluseye Jegede --- University of Johannesburg, South AfricaThis study explores the factors that influence ICT research productivity across Nigerian universities and government research agencies. Using a mixed-methods approach, the research combines conceptual analysis with quantitative techniques, drawing on the PESTLE model, the Entrepreneurship Ecosystem, and the Triple... -
On quotient rings of pointfree function rings
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Batsile Tlharesakgosi --- University of South Africa, South Africa Sharon Nyokabi Wamugunda --- University of South Africa, South AfricaLet L be a completely regular frame. Associated with each I ∈ βL are two ideals, MI and OI , of the ring of real-valued continuous functions on a frame L. In this paper, we describe the intersection of all... -
Computerization adoption in Savings and Credit Cooperative Societies (SACCOS) in Tanzania: An implementation framework
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: George Matto --- Moshi Co-operative University, TanzaniaStudies show that the majority of Savings and Credit Cooperative Societies (SACCOS) in Tanzania rely on manual operations instead of computerized systems. This has caused various operational challenges and poor governance practices. While some SACCOS have never attempted to adopt...
