Pathiraja, K.P.C.M.; Hettiarachchi, H.A.D.S.; Herath, H.M.S.A.K.; Thilakarathna, M.P.S.; Jayathissa, G.M.D.D.(Rajarata University of Sri Lanka, 2018-06-08)
DMCS, Dissanayaka; KAJS, Jayasuriya(Department of Environmental Management Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka, 2023-09-20)