Weerasinghe, W.K.G.K.S.; Weerakkody, W.J.S.K.; Jayathilake, H.A.C.K.; Yakandawala, K.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)
Jayathilake, H.A.C.K.; Jayasinghe-Mudalige, U.K.; Perera, L.D.R.D.; Gow, G.A.; Waidyanatha, N.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)