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Google圖書搜尋
The Adjustment of Agricultural Production to Meet Home Market Demands in the Clifton Forge-Covington Trade Area
John Jesse Vernon
Thew Delbert Johnson
Joseph Wilbur O'Byrne
出版
Virginia Polytechnic Institute. Virginia Agricultural Experiment Station
, 1929
URL
http://books.google.com.hk/books?id=gzErAQAAMAAJ&hl=&source=gbs_api