Irrigation capability of the Penaranda river irrigation system and of the Sta. Cruz river irrigation system [microform]

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Angeles, Honorato L. 1940-
Formáid: Visual Material
Foilsithe / Cruthaithe: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Ábhair: