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Google圖書搜尋
Plans for Beginning Farmers in Southwest Iowa with Comparison of Farm and Nonfarm Income Opportunities
Earl Orel Heady
Arthur B. Mackie
Iowa State College. Agricultural and Home Economics Experiment Station
Everett Stoneberg
出版
Agricultural and Home Economics Experiment Station, Iowa State College
, 1958
URL
http://books.google.com.hk/books?id=RfNZHQAACAAJ&hl=&source=gbs_api