Denipitiya, D.T.H.; Jiffriy, A.M.; Chandrasekharan, N.V.; Abeyewickreme, W.; Hapugoda, M.D.(Sri Lanka Association for the Advancement of Science, 2013)
Gunathilaka, P.A.D.H.N.; Fernando, M.A.S.T.; Hapugoda, M.D.; Wijeyarathne, P.; Wickremasinghe, A.R.; Abeyewickreme, W.(Sri Lanka Association for the Advancement of Science, 2013)