颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["City, planning, --, Economic, aspects, --, South, Africa","City, planning, --, Environmental, aspects, --, South, Africa","Thesis, (Ph.D., (Urban, and, Regional, Planning))--University, of, the, Free, State,, 2002"]]

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颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["International, trade","Meat, industry, and, trade, --, South, Africa","Agriculture, --, Economic, aspects, --, South, Africa","Thesis, (Ph.D., (Agricultural, Economics))--University, of, the, Free, State,, 2001"]]

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颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Water, use, --, Economic, aspects, --, South, Africa, --, Berg, River","Water-supply, --, South, Africa, --, Berg, River","Thesis, (Ph.D., (Agricultural, Economics))--University, of, the, Free, State,, 2001"]]

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颁布单位：[University of the Free State] |  颁布时间：2000 |  实施时间：2000 |  学科分类：[["Tractor","Replacement","Model","Simulation","Decision, support","Repair, cost","Salvage, value","Reliability","Tax","Farm, tractors, --, Economic, aspects","Farm, tractors, --, Cost, of, operation","Decision, making","Thesis, (Ph.D., (Agricultural, Economics))--University, of, the, Free, State,, 2000"]]

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颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Xenopus, laevis","Utilisation","Tadpole, development","Population, dynamics","Collecting, method","Captive, breeding","Parasite, infection","Parasite, survival","Parasite, elimination","Xenopus, laevis, --, South, Africa, --, Free, State","Frogs, --, Economic, aspects, --, South, Africa, --, Free, State","Xenopus, Laevis, --, Parasites","Dissertation, (M.Sc., (Zoology, and, Entomology))--University, of, the, Free, State,, 1999"]]

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颁布单位：[University of the Free State] |  颁布时间：1998 |  实施时间：1998 |  学科分类：[["Livestock, productivity, --, Technological, innovations, --, South, Africa, --, Qwaqwa","Agriculture, --, South, Africa, --, Qwaqwa, --, Technology","Livestock, --, Economic, aspects, --, South, Africa, --, Qwaqwa","Veterinary, services, --, South, Africa, --, Qwaqwa","Thesis, (Ph.D., (Agriculture, Economics))--University, of, the, Free, State,, 1998"]]

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颁布单位：[University of the Free State] |  颁布时间：1992 |  实施时间：1992 |  学科分类：[["Irrigation, farming","Crop, rotation, --, Economic, aspects","Dissertation, (M.Com., (Agricultural, Economics))--University, of, the, Free, State,, 1992"]]

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颁布单位：[University of the Free State] |  颁布时间：1989 |  实施时间：1989 |  学科分类：[["Dissertation, (M.Sc.Agric., (Agricultural, Economics)), University, of, the, Orange, Free, State,, 1990","Agricultural, productivity, --, South, Africa, --, Southern, Free, State","Agriculture, --, Economic, aspects, --, South, Africa, --, Southern, Free, State","Irrigation, --, Economic, aspects, --, South, Africa, --, South, Free, State"]]

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颁布单位：[University of the Free State] |  颁布时间：1987 |  实施时间：1987 |  学科分类：[["Jacobsdal, (South, Africa), --, Economic, conditions","Jacobsdal, (South, Africa), --, History","Jacobsdal, (South, Africa), --, Social, conditions","Irrigation, --, South, Africa, --, Jacobsdal","Rural, development, --, South, Africa, --, Jacobsdal","Dissertation, (M.U.R.P., (Urban, and, Regional, Planning))--University, of, the, Free, State,, 1987"]]

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颁布单位：[University of the Free State] |  颁布时间：1985 |  实施时间：1985 |  学科分类：[["Agriculture, --, Economic, aspects, --, South, Africa, --, Free, State","Shifting, agriculture, --, South, Africa, --, Free, State","Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 1985"]]

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