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  • Socio-economic complexities of smallholder resource-poor ruminant livestock production systems in Sub-Saharan Africa
    颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Livestock, farming, systems, --, South, Africa, --, Limpopo","Livestock, farming, systems, --, Kenya","Farming, systems","Research","Smallholder","Multi-functionality","Resources","Environment","Interaction","Cattle","Functions","Productivity","Mixed, farming, systems","Maize","Smallholder, development","Policy, framework","Thesis, (Ph.D., (Centre, for, Sustainable, Agriculture))--University, of, the, Free, State,, 2004"]]
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  • The dynamics of theory and practice in instructional systems design
    颁布单位：[University of Pretoria] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Computer-integrated, learning",, "Cognitive, learning",, "Customization",, "Collaborative, learning",, "Domains, of, learning",, "Inquiry, tool",, "Evaluation",, "Constructivism",, "Creativity",, "Instructional, systems, design, and, development",, "Learning, and, instructional, theory",, "Components, of, knowledge",, "UCTD"]]
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