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出版社 : Published jointly by the Graduate School, United States Department of Agriculture, and Epsilon Sigma Phi總數: gridview
The Spirit and Philosophy of Extension Work
作者
Epsilon Sigma Phi
出版1952
ISBN
UOM:39015008205620
主題
Agricultural extension work
The Spirit and Philosophy of Extension Work
作者
Epsilon Sigma Phi
出版1952
ISBN
UOM:39015008205620
主題
Agricultural extension work