登入選單

返回Google圖書搜尋

Attitudes, Knowledge, and Participation of Michigan Farmers in the 1957 Soil Bank

Jerry B. Waters

出版	Michigan State University of Agriculture and Applied Science. Department of Agricultural Economics, 1958
URL	http://books.google.com.hk/books?id=iVOcTBG3_2IC&hl=&source=gbs_api