颁布单位：[University of the Free State] |  颁布时间：2014 |  实施时间：2014 |  学科分类：[["Thesis, (Ph.D., (Higher, Education, Studies))--University, of, the, Free, State,, 2014","Education,, Higher, --, Computer-assisted, instruction, --, Social, aspects, --, South, Africa, --, Free, State","Computer-assisted, instruction, --, Social, aspects, --, South, Africa, --, Free, State","Information, technology, --, Study, and, teaching, (Higher)"]]

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颁布单位：[University of the Free State] |  颁布时间：2014 |  实施时间：2014 |  学科分类：[["Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2014","Climatic, changes, --, Zimbabwe","Farms,, Small, --, Zimbabwe","Crops, and, Climate, --, Zimbabwe"]]

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颁布单位：[University of the Free State] |  颁布时间：2014 |  实施时间：2014 |  学科分类：[["Thesis, (Ph.D., (Agricultural, Economics))--University, of, the, Free, State,, 2014","Nitrogen, fertilizers","Agricultural, chemicals","Agricultural, productivity","Agriculture, --, Economic, aspects","Environmental, risk, assessment"]]

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