Wimalasena, S.S.; Kularatne, M.G.; Amarasinghe, U.S.; Jayasinghe-Mudalige, U.K.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)
Thamilini, J.; Silva, K.D.R.R,; Jayasinghe-Mudalige, U.K.; Edirisinghe, J.C.; Herath, H.M.L.K.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)