Rathnayake, M.National Science Foundation2010-07-062010-07-062008978-955-590-085-0https://dl.nsf.gov.lk/handle/1/5388Sri LankaTsunamiNatural disastersFloodsDroughtEarthquakesEartslipsDisaster managementEarth Sciencesශ්‍රී ලංකාවේ ස්වාභාවික ව්‍යසන