Mihiranie, M.K.S.; Jayasinghe, J.M.J.K.; Jayasinghe, C.V.L.; Wanasundara, J.P.D.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2019-01-30)
Dunukara, D. M. J. D. K.; Herath, H. M. N. U. S.; Kanampella, P. A. A. I.; Samarakoon, D. N. A. W.; Uluwaduge, D. I.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)