颁布单位：[University of the Free State] |  颁布时间：2015 |  实施时间：2015 |  学科分类：[["Efficiency","Determinants","Ghana","Metafrontier","Productivity","Rice","SFA","Technology, Gap, Ratio","Rice, --, Economic, aspects, --, Ghana","Dissertation, (M.Sc.Agric., Agriciltural, Economics))--University, of, the, Free, State,, 2015","Rice, trade, --, Ghana"]]

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