Jayakody, J.R.K.C.; Ekanayaka, S.M.E.W.P.M.; Ubesinghe, U.W.A.C.C.(Department of Zoology and Environmental Management, University of Kelaniya, Kelaniya, Sri Lanka., 2016)
Jayakody, J.R.K.C.; Vidanagama, V.G.T.N.; Perera, Indika; Herath, H.M.L.K.(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2023)