Rajapaksha, R.M.A.U.Vithanage, M.Bandara, W.M.A.T.Weerasooriya, R.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.32https://dl-ifs.nsf.gov.lk/handle/1/1604Article