Perera, A.C.S.Punyawardena, B.V.R.Gunawardena, E.R.N.2019-02-012019-02-012016Tropical Agricultural Research, 28(1):p.50-63https://dl.nsf.gov.lk/handle/1/24249Climate changeRainfall variabilityHakwatuna OyaRecent changes of rainfall regime of Hakwatuna oya watershed of Sri LankaArticle