颁布单位：[University of the Free State] |  颁布时间：1972 |  实施时间：1972 |  学科分类：[["Cultivation, system","Cultivation, structure, --, Karakoel","Herders, --, South, West, Africa","Sheep, --, South, West, Africa","Dissertation, (M.Sc.Agric., (Sheep, and, Cloud, Sciences))--University, of, the, Free, State,, 1972"]]

预览  |  原文链接    [浏览：0 下载：0]