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The Effectiveness of Nonprofessionals in Cooperative Extension Education for Low-income Farmers
Carl Gustaf Anderson
George Ray McEachern
Howard Wayne Ladewig
John Richard Cain
Lonnie L. Jones
Paul W. Unger
Raymond Arthur Dietrich
Richard L. Duble
Gholam Mustafa
其他書名
An Interim Evaluation
出版
Texas Agricultural Experiment Station
, 1972
URL
http://books.google.com.hk/books?id=I81PAQAAMAAJ&hl=&source=gbs_api
