颁布单位:[University of the Free State] |
颁布时间:2013 |
实施时间:2013 |
学科分类:[["Sheep, --, South, Africa","Sheep, --, Productivity, --, South, Africa","Sheep, --, Economic, aspects, --, South, Africa","Dissertation, (M.Sc., Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2013","Pastures, --, Irrigation"]]