Chaminda, G.G.T.Samarasekara, G.N.Rathnayake, R.P.M.I.U.Madushanka, E.M.N.Galahitiyawa, G.W.S.U.Perera, S.Dissanayaka, A.W.Wijayakeerthi, S.2018-08-012018-08-012014Transactions - 2014 Volume I - PART B Technical Papers:p.99-106https://dl-iesl.nsf.gov.lk/handle/1/915Transport Sector Emissions in Sri Lanka: Emission Levels by Vehicle Type and Influence of Fuel Price, Vehicle Import Tax Variation on Vehicle FleetArticle