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Google圖書搜尋
Contribution of the Oregon Wheat Industry to Oregon's Economy
Michael V. Martin
Hans Radtke
Oregon State University. Agricultural Experiment Station
出版
Department of Agricultural and Resource Economics, Oregon State University
, 1986
URL
http://books.google.com.hk/books?id=53H1Ig8e9UgC&hl=&source=gbs_api