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1
Effectiveness of agricultural extension programs of selected state colleges in region 1 [microform]
Published 1983Visual Material -
2
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3
Extension education program of Camarines Sur Agricultural College, Pili, Camarines Sur [microform].
Published 1980Visual Material -
4
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5
An estimated economic contribution of schooling and extension in Korean agriculture Ki-Yong Hong [microform].
Published 1978Visual Material -
6
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7
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8
A comparison of two types of extension workers in Thailand according to certain aspects of their job [microform]
Published 1977Visual Material -
9
The attitude of farmers and extension workers toward extension work and its relation effectiveness in Taiwan [microform]
Published 1977Visual Material -
10
Leadership roles of the field technicians in organizing farmer's associations [microform]
Published 1977Visual Material