[ 发表于: Research for Rural Development ]
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结果 41-43 的 43
Community organization approach to extension work [in the Philippines]
1981
Isles, C.D.
Southeast Asian Regional Center for Graduate Study and Research in Agriculture - Philippines
Prospects of modular instructional technology for an effective extension delivery system [in the Philippines]
1981
Nordland, F.H.
Southeast Asian Regional Center for Graduate Study and Research in Agriculture - Philippines
Hired farmworkers
1981
Smith, Leslie Whitener | Coltrane, Robert Irvin
National Agricultural Library - United States of America
