颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Thesis, (Ph.D., (Agricultural, Economics))--University, of, the, Free, State,, 2009","Produce, trade, --, South, Africa, --, Mathematical, models","Agriculture, --, Economic, aspects, --, South, Africa","Free, trade, --, South, Africa"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Animal, feeding, --, Economic, aspects, --, South, Africa","Agricultural, wastes, as, feed, --, Economic, aspects, --, South, Africa","Biomass, energy","Corn, products, industry","Dissertation, (M.Com., (Agricultural, Economic))--University, of, the, Free, State,, 2009"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Transaction, costs","Formal, markets","Decision-making","Cattle, marketing","Cattle, --, Namibia, --, Costs","Cattle, --, Namibia, --, Marketing","Cattle, --, Economic, aspects, --, Namibia","Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2009"]]

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