Extension publications studies series.

Detalles Bibliográficos
Autor Corporativo:	University of the Philippines (Diliman). Institute of Mass Communication
Outros autores:	Mercado, Cesar Matarosa 1938-
Formato:	Libro
Idioma:	English
Publicado:	Quezon City [s.n.] 1967.
Subjects:	Agricultural extension work > Philippines.