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Regional Analysis of Production Adjustments in the Major Field Crops
Alvin Charles EgbertEarl Orel Heady
其他書名
Historical and Prospective : an Application of Spatial Linear Programming
出版U.S. Department of Agriculture, 1963
URLhttp://books.google.com.hk/books?id=S8EXAAAAYAAJ&hl=&source=gbs_api
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