Balasooriya, B.L.W.K.; Suganthan, B.; Vivehananthan, K.; Gunawardana, M.M.; Tharindi, P.W.M.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)
Fernando, C.N.; Yakandawala, K.; Attanayaka, D.P.S.T.G.; Perera, P.I.P.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)