Wijesekara, S.S.R.M.D.H.R.Rajapaksha, R.M.A.U.Jayarathne, I.P.L.Vithanage, M.Basnayake, B.F.A.2016-07-042016-07-042011Proceedings of the Symposium on "Disasters: Reduction, Mitigation and Management", 25th and 26th February 2011, Institute of Fundamental Studies, Kandy:p.15https://dl-ifs.nsf.gov.lk/handle/1/1530Article