Arachchi, C.I. Motagedara; Wegiriya, H.C.E.; Chandana, E.P.S.; Sudarshani, K.A.M.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2016-01-28)
Sudarshani, K.A. M.; Eswaramohan, T.; Murugananthan, A.; Wegiriya, H.C.E.; Liyanage, P.L.A.N.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)