Lakmali, W.A.S.Gunawardena, E.R.N.Dayawansa, N.D.K.2019-01-212019-01-212015Tropical Agricultural Research, 26(2):p.343-354https://dl.nsf.gov.lk/handle/1/24164Deduru Oya basinIrrigated agriculturePerformance assessmentsWater managementWater productivityComparative performance assessment of major irrigation systems in upper Deduru Oya basinArticle