Wickramaarachchi, W.A.K.C.Jayasinghe, R.M.N.P.K.Dharmaratne, T.S.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.20https://dl-ifs.nsf.gov.lk/handle/1/1586Article