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The Economics of Soil and Water Conservation Practices in Iowa
C. Arden PopeShashanka BhideEarl Orel Heady
其他書名
Results and Discussion
出版Center for Agricultural and Rural Development, Iowa State University, 1983
URLhttp://books.google.com.hk/books?id=MuUWIqoPJZcC&hl=&source=gbs_api