50 years of scientific agriculture, 1909-1959.

Sonraí bibleagrafaíochta
Údar corparáideach:	University of the Philippines (LOs Banos). College of Agriculture
Formáid:	LEABHAR
Teanga:	Béarla
Foilsithe / Cruthaithe:	[College, Laguna s.n. 1959]