Wijewardana, M.A.C.D.; De Alwis, A.D.E.; Lakmini, S.A.D.D.; Udamulla, K.M.L.A.(Sri Lanka Association for the Advancement of Science, Colombo 07, 2015-12-01)
Shanika, K.V.H.; Harischandra, I.N.; Jayathunga, D.P.W.; Fernando, H.S.D.; de Silva, B.G.D.N.K.(Sri Lanka Association for the Advancement of Science (SLAAS), 2015-12-01)