[ 发表于: Research for Rural Development ]
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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
Organizational constraints to implementing [rural] development projects
1981
Woods, J.L.
Southeast Asian Regional Center for Graduate Study and Research in Agriculture - Philippines
Hired farmworkers 全文
1981
Smith, Leslie Whitener | Coltrane, Robert Irvin
National Agricultural Library - United States of America
