The values and validity of group informant survey technique in program planning [microform].

The values and validity of group informant survey technique in program planning [microform].

Bibliografski detalji
Glavni autor: Vuthimedhi, Yuwat 1939
Format: Visual Material
Jezik:English
Izdano: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Teme:
Agricultural extension work > Philippines.
Social surveys > Philippines.