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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"]]