The effects of extension and technical knowledge on farmer productivity in Nueva Ecija, Philippines [microform]

Bibliographic Details
Main Author:	Castillo, Linda Lao
Format:	Visual Material
Language:	English
Published:	Quezon City Photoduplication Service. University of the Philippines Library 1980.
Subjects:	Agriculture extension work > Philippines > Nueva Ecija. Agricultural education > Philippines > Nueva Ecija. Agricultural production > Philippinesznueva Ecija.