Perera, K.Abhayasingha, K.R.Steephanson, 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.13https://dl-ifs.nsf.gov.lk/handle/1/1508Article