Ayesha, P.V.; Chathurika, P.K.A.G.; Kumarihami, H.M.D.A.; Sagarika, D.B.T.; Senanayaka, C.; Sewwandi, R.M.S.(Department of Commerce and Financial Management, Faculty of Commerce and Management Studies, University of Kelaniya, 2015)
Weerasinghe, T.D.; Thisera, T.J.R.(Department of Human Resource Management, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka, 2014)