TY  - BOOK
AU  - 
TI  - A methodology to evaluate the performance of irrigations systems: application to Philippine national systems 
PY  - 1984///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Irrigation efficiency
KW  - Philippines
N1  - Thesis (Ph.D.)-Cornell University, 1983
ER  -