Comprehensive history of irrigation in the Philippines.
Comprehensive history of irrigation in the Philippines.
- Quezon City : National Irrigation Administration, c1990.
- xiv, 177 p. : ill. 23 cm.
Includes index.
Irrigation -- Philippines -- History.
Philippines
F S 616.P6 C738 1990
Includes index.
Irrigation -- Philippines -- History.
Philippines
F S 616.P6 C738 1990