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Google圖書搜尋
A Research Perspective
United States. Department of Agriculture. Natural Resource Economics Division
其他書名
A Program Management : Issue Identification
出版
Natural Resource Economics Division, Economic Research Service, U.S. Department of Agriculture
, 1971
URL
http://books.google.com.hk/books?id=iG7ltgAACAAJ&hl=&source=gbs_api