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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