Pathirana, H.N.I.; Amarasinghe, L.D.; Dharmasena, C.M.D.(Proceedings of the 60th Annual sessions of the Sri Lanka Association for the Advancement of Science, 2004)
Madduma, M.D.R.; Ramanayaka, A.R.D.D.; Jayasundara, S.M.J.C.K.; Amarasinghe, L.D.(Department of Zoology and Environmental Management, University of Kelaniya, Sri Lanka, 2017)