Siriwardana, D.A.; Rathnasiri, U.A.H.A.(Department of Accountancy, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka, 2016)
Wimalasena, H.D.; Dahanayaka, D.D.G.L.; Amaralal, K.H.M.L.(Department of Zoology and Environmental Management, University of Kelaniya, Kelaniya, Sri Lanka., 2016)