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Google圖書搜尋
Farm-scale Agronomic and Economic Conversion from Conventional to Sustainable Agriculture
Rod J. MacRae
McGill University. MacDonald College. Ecological Agriculture Projects
出版
Macdonald College of McGill University
, 1988
URL
http://books.google.com.hk/books?id=FjXSMgAACAAJ&hl=&source=gbs_api