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

Библиографические подробности
Главный автор:	Castillo, Linda Lao
Формат:	Visual Material
Язык:	English
Опубликовано:	Quezon City Photoduplication Service. University of the Philippines Library 1980.
Предметы:	Agriculture extension work > Philippines > Nueva Ecija. Agricultural education > Philippines > Nueva Ecija. Agricultural production > Philippinesznueva Ecija.