Upper Pampanga river project.

Sonraí bibleagrafaíochta
Údar corparáideach:	Philippines. Nayional Irrigation Administration
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	[manila s.n] 19-
Ábhair:	Water resources development > Philippines. Irrigation > Philippines.