Pasindu, B.M.C.Hemapala, K.T.M.U.Siriwardena, K.K.W.2020-02-192020-02-192017Engineer, 50(2):p.55-66https://dl-iesl.nsf.gov.lk/handle/1/2002Long term energy planningEnergy chain modellingLeast costTechnicalEconomicalA least cost long -term energy supply strategy for Sri Lanka using petroleum, coal and natural gasArticle