颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Real, property, tax, --, South, Africa.","Agriculture, --, Taxation, --, South, Africa","Dissertation, (M.Sc.Agric., (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：[["Agriculture, --, South, Africa, --, Statistics","Agriculture, --, South, Africa","Agricultural, surveys, --, South, Africa","Dissertation, (M.Com., (Agricultural, Economics))--University, of, the, Free, State,, 1999"]]

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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：1986 |  实施时间：1986 |  学科分类：[["Plant, water, relations","Sucrose, accumulation","Crop, growth","Thesis, (Ph.D., (Agricultural, Meteorology))--University, of, the, Free, State,, 1986"]]

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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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颁布单位：[University of the Free State] |  颁布时间：1971 |  实施时间：1971 |  学科分类：[["Plants,, Cultivated","Plants,, Cultivated, --, Free, State","Plants, --, Effect, of, hail, on","Harvest, and, climate","Dissertation, (M.Sc.Agric., (Agricultural, Sciences))--University, of, the, Free, State,, 1971"]]

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