Panchananthan, N.; De Silva, D.; Abeysekera, H.; Nanayakara, D.P.S.; Tirimanne, T.L.S.; Chandrasekharan, N.V.(Faculty of Science, University of Kelaniya, Sri Lanka, 2020)
Jayasundara, J.M.J.; Wickramasinghe, A.; Karunaratne, D.N.; Wickramaratne, N.S.; Samarakoon, S.R.; Jayasinghe, S.(Faculty of Science, University of Kelaniya, Sri Lanka, 2020)
Sumudumali, R.G.I.; Piyathilake, I.D.U.H.; Randika, J.L.P.C.; Jayawardana, J.M.C.K.; Udayakumara, E.P.N.; Gunatilake, S.K.(Faculty of Science, University of Kelaniya, Sri Lanka, 2020)