Land classification and supporting studies on the Upper Pampanga River Project. - Philippines (Republic) National Irrigation Administration; United States Bureau of Reclamation ([Quezon City s.n.], 1971)
Prepared by National Irrigation Administration and U.S. Bureau of Reclamation for the International Bank for Reconstruction and Development.
Keywords: Land -- Classification. -- Philippines -- Pampanga; Irrigation -- Philippines -- Pampanga; Upper Pampanga River Project