Your search found 2 records
1 Valera, A. B.. 1985. A comparative assessment of three irrigation systems at Central Luzon, Philippines. Thesis presented to the Faculty of Graduate School of Cornell University for the Degree of Doctor of Philosophy. xvi, 283 p.
(Location: IWMI-HQ Call no: 631.7 G732 VAL Record No: H0539)
2 Cablayan, D. M.; Valera, A. B.. 1988. Constraints to irrigated and diversified cropping. Philippine Agricultural Engineering Journal, 29(1):17-24.
(Location: IWMI-HQ Call no: PER Record No: H03532)
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