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  • 颁布单位:[University of the Free State] |  颁布时间:2012 |  实施时间:2012 |  学科分类:[["Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2012","Agriculture, --, Economic, aspects","Agriculture, --, Cost, effectiveness","Ordinary, least, squares, regression","Probit, regression","Tobit, regression","Allocative, efficiency","Cost, efficiency","Economic, literacy","Data, envelopment, analysis"]]
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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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