J.A.S.N., Kumara; A.M.V.P.W., Abeykoon(Department of Environmental Management Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka, 2023-09-20)
K.A.J.S., Jayasooriya; H.A.M., Peiris; J.E.M.C.L., Gunarathna; W.A.T.D., Wickkramarathna(Department of Environmental Management Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka, 2023-09-20)
Chandrapala, W.Madhubhashini; De Silva, R.M.Bhagya Samurdhi; Premathilake, W.A.Amith Priyankara(Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka, 2020)