أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: 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 النص الكامل

1981

Smith, Leslie Whitener | Coltrane, Robert Irvin

National Agricultural Library - United States of America