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

Manylion Llyfryddiaeth
Prif Awdur:	Balauag, Mariano Pelagio
Fformat:	Traethawd Ymchwil
Iaith:	English
Cyhoeddwyd:	1979.
Pynciau:	Agricultural extension work > Cagayan Valley. Tobacco farms > Cagayan Valley.