Umedha Deepani, N.G.; Nimankana Seneviratne, A.B.D.; Dilini Champika, K.D.A.; Darshaka Nayanajith, M.T.; Gayantha Chamari, K.D.G.; Nisansala Piyumalee, U.D.G.; Vithane, I.C.
(Department of Geography, University of Ruhuna, Matara, Sri Lanka, 2010-01-08)