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Google圖書搜尋
The Training and Visit Extension System
Gershon Feder
其他書名
An Analysis of Operations and Effects
出版
Research Unit, Agricultural and Rural Development Department, Operational Policy Staff, World Bank
, 1984
URL
http://books.google.com.hk/books?id=kCkoAQAAMAAJ&hl=&source=gbs_api