Jayasuriya, O.A.T.S.; Nayanika, S.A.D.; Rajapakshe, A.G.D.H.M.; Gayathri, R.; Wijeyaratne, W.M.D.N.(Department of Zoology and Environmental Management, University of Kelaniya, 2015)
Jayasiri, A.P.A.; Paranagama, P.A.; Senanayake, S.P.; Amarasinghe, A.P.G.(National Centre for Advanced Studies in Humanities and Social Sciences Sri Lanka, 2015)