De Silva, R.P.2010-07-062010-07-062002Journal of the National Science Foundation, 30(3 and 4):p.109-122https://dl.nsf.gov.lk/handle/1/6458Soil water budgetGroundwater rechargeHydrologyAngunakolapelessaSoil propertiesEngineering and TechnologyThe effect of length of time period considered in estimating groundwater recharge with a soil water budget modelArticle