VGunasekara, H.; Fernando, A.K.; Padmasika, T.; Muthugoda, N.S.(Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)
Fernando, G.M.T.S.; Kodippilige, N.P.; Prakashnie, M.P.(Department of Zoology and Environmental Management, University of Kelaniya, Kelaniya, Sri Lanka., 2016)