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An Investigation of the Lack of Mixed Farming in the West African Savannah
Christopher L. Delgado
其他書名
A Farming Systems Approach for Tenkodogo, Upper Volta
出版Center for Research on Economic Development, University of Michigan, 1978
URLhttp://books.google.com.hk/books?id=j5UaAQAAMAAJ&hl=&source=gbs_api