Hewage, Dammika; Senewirathne, S.H.S.; Karunarathne, Manjula; Kumara, H.I.G.C.(Department of Geography, University of Ruhuna, Matara, Sri Lanka, 2010-01-08)
Karunarathne, Manjula; Senewirathne, Sanjeewa; Premachandra, Dammini; Hewage, Dammika(Department of Geography, University of Ruhuna, Matara, Sri Lanka, 2010-01-08)