Communication channels used in the masaganang maisan program and farmers' knowledge, attitude and behavior practice relating to the program [microform].

Detalles Bibliográficos
Autor principal: Alvarez, Ramiro C. 1927-
Formato: Visual Material
Lenguaje:English
Publicado: Quezon City Photoduplication Service. University of the Philippines Library 1979.
Materias: