Gunaratne, R.U.M.S.Thiruchelvam, S.2014-11-122014-11-122002Tropical Agricultural Research, 14:p.341-350https://dl.nsf.gov.lk/handle/1/11912AgricultureResource useTechnical efficiencyPaddy productionIrrigation schemesAnuradhapura districtRajanganayaElayapattuwaComparative study on technical efficiency of paddy production under major and minor irrigation schemes in Anuradhapura districtA