Raby, N. Merry, D.J. Professional management in irrigation systems a case study of performance control in Mahaweli System H, Sri Lanka - IIMI Colombo 1989 - 95 - Water Management Galnewa Project Matrix Framework Sri Lanka - IIMI Country Paper Sri Lanka No.01 . ISBN: 92-9090-119-5 Nat. Bib. No.: 5612 Nat. Bib. Agency Control No.: 626.81(548.7)RAB S.L. Subjects--Topical Terms: Irrigation Universal Decimal Class. No.: 626.81(548.7) 1