De Mel, I.D.T.Sumanasekera, P.2010-07-062010-07-061973Journal of the National Science Council of Sri Lanka, 1(2):p.167-181https://dl.nsf.gov.lk/handle/1/6485RainfallMoistureSeasonal VariationNational ParksHydrologyGeologyGroundwater recharge at YalaArticle