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Google圖書搜尋
Farmer Attitudes Toward the Cooperative Extension Service in Illinois
Robert Allison Jarnagin
其他書名
A Basis for Communication Strategy
出版
Michigan State University. Department of Communication
, 1964
URL
http://books.google.com.hk/books?id=FG_e3_HKCJwC&hl=&source=gbs_api