The influence of the extension program of the agricultural educational institutions on tobacco farming in Cagayan Valley.

Podrobná bibliografie
Hlavní autor:	Balauag, Mariano Pelagio
Médium:	Diplomová práce
Jazyk:	English
Vydáno:	1979.
Témata:	Agricultural extension work > Cagayan Valley. Tobacco farms > Cagayan Valley.