Hewageegana, P.S.; Amarasekara, C.D.; Jayakody, J.R.P.; Punyasena, M.A.(Proceedings of the 16th Technical Session of the Institute of Physics - Sri Lanka, 2001)
Itoh, M.; Weerasooriya, M.V.; Qiu, G.; Gunawardena, N.K.; Anantaphruti, M.T.; Tesana, S.; Rattanaxay, P.; Fujimaki, Y.; Kimura, E.(American Society of Tropical Medicine and Hygiene, 2001)
Punyasena, M.A.; Amarasekara, C.D.; Jayakody, J.R.P.; Perera, P.A.A.(Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, 2001)