00505nam a2200133Ia 4500 241114s9999||||xx |||||||||||||| ||und|| SAKTHI VADEIVEL, R Flow measurements at drop structures for irrigation system management in Sri Lanka 1992 International Irrigation Management Institute IRRIGATION | IRRIGATION SYSTEM | IRRIGATION MANAGEMENT | SRILANKA MERREY, Douglas J BK 0 0 0 0 MIDS MIDS 0000-00-00 0 333.913095493 N2 36041 2024-11-14 16:23:46 2024-11-14 BK 96631 96631