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Google圖書搜尋
Alternative Approaches for Promoting Fertilizer Use in Africa
Eric Winthrop Crawford
Thomas S. Jayne
Valerie Auserehl Kelly
出版
Agriculture & Rural Development Department, World Bank
, 2006
URL
http://books.google.com.hk/books?id=iqnHDAEACAAJ&hl=&source=gbs_api