Liyanage, R.; Jayathilake, C.; Rizliya, V.; Jayawardana, B.C.; Vidanarachchi, J.K.(Sri Lanka Association for the Advancement of Science, Colombo 07, 2015-12-01)
Somarathne, M.B.C.L.; Dassanayake, R.S.; Chandrasekaran, N.V.; Gunawardene, Y.I.N.S.(Sri Lanka Association for the Advancement of Science, Colombo 07, 2015-12-01)