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Alternative Agricultural Systems and Related Agronomic and Economic Research and Extension Efforts
United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Subcommittee on Agricultural Research and General Legislation
其他書名
Joint Hearings Before the Subcommittee on Agricultural Research and General Legislation and the Subcommittee on Conservation and Forestry of the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundredth Congress, Second Session ... April 21 and 28, 1988
出版U.S. Government Printing Office, 1988
URLhttp://books.google.com.hk/books?id=0t4mI5L_nP8C&hl=&source=gbs_api
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