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Google圖書搜尋
Determinants of Adoption and Levels of Demand for Fertiliser for Cereal Growing Farmers in Ethiopia
Andre Croppenstedt
Mulat Demeke
出版
C.S.A.E. Publishing, University of Oxford
, 1996
URL
http://books.google.com.hk/books?id=pL2ANgAACAAJ&hl=&source=gbs_api