TY  - BOOK
TI  - National Irrigation administration: :  comprehensive history of irrigation in the Philippines
U1  - Fil. 631.587 N277 1990 
PY  - 1990///
CY  - Quezon City
PB  - National Government Center
KW  - Agriculture and related technologies
KW  - Techniques
KW  - Cultivation and harvesting
KW  - Special methods
ER  -