Abeykoon, M.W.B.; de Alwis, C.(Department of Human Resource Management, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka, 2015)
Mendis, M.V.S.; Wanigasekera, W.M.S.K.(Department of Human Resource Management, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka, 2013)