00619nam a2200133Ia 4500 241114s9999||||xx |||||||||||||| ||und|| RABY, Namika Professional management in irrigation systems:A case study of performance control in Mahaweli system H, Sri Lanka Sri Lanka IIMI 1989 International Irrigation Management Institute IRRIGATION | IRRIGATION SYSTEMS | MAHAWELI SYSTEM | SRILANKA MERREY, Douglas J BK 0 0 0 0 MIDS MIDS 0000-00-00 0 333.913095493 M9 33059 2024-11-14 16:22:15 2024-11-14 BK 94785 94785