Priyantha, A.A.C.Chandrajith, R.Prame, B.Siriwardane, S.Jayalath, P.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.3https://dl-ifs.nsf.gov.lk/handle/1/1601Article