Manamperi, A.; Gunawardene, Y.I.N.S.; Bandara, K.B.A.T.; Dayanath, M.Y.D.; Hapuarachchi, H.A.C.; Abeyewickreme, W.(Sri Lanka Association for the Advancement of Science, 2004)
Wijegunawardana, N.D.A.D.; Gunawardene, Y.I.N.S.; Manamperi, A.; Hapuarachchi, H.A.C.; Bandara, K.B.A.T.; Abeyewickreme, W.(Sri Lanka Association for the Advancement of Science, 2008)
Wijegunawardana, N.D.A.D.; Hapangama, H.A.D.C.; Gunawardene, Y.I.N.S.; Manamperi, A.; Abeyewickreme, W.(Sri Lanka Association for the Advancement of Science, 2009)
Manamperi, A.; Gunawardene, Y.I.N.S.; Hapuarachchi, C.; Bandara, A.; Wellawaththage, C.; Abeyewickreme, W.; de Silva, J.(Sri Lanka Association for the Advancement of Science, 2008)
Jayasooriya, D.; Gunawardene, Y.I.N.S.; Hapugoda, M.D.; Premaratna, R.; Manamperi, A.; de Silva, H.J.; Abeyewickreme, W.(Sri Lanka Association for the Advancement of Science, 2007)