"learning by doing".

Sonraí bibleagrafaíochta
Údar corparáideach:	Philippines. Dept. of Agriculture. Agricultural Training Institute
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Batangas, Philippines International Training Center on Pig Husbandry 2000.
Ábhair:	Livestock-Swine.