Chithranayana, R.D.Punyawardena, B.V.R.2010-07-062010-07-062008-6Journal of the National Science Foundation, 36(2):p.117-123https://dl.nsf.gov.lk/handle/1/6128Agro-ecological regionsAgroclimatologyDroughtRainfallAgricultureMeteorologyIdentification of drought prone agro-ecological regions in Sri LankaArticle