Ranmali, K.T.A.Y.; Thalgaspitiya, U.K.(Department of Human Resource Management Faculty of Management Studies and Commerce University of Sri Jayewardenepura, 2016)
Pinto, H.P.A.S.U.; Thalgaspitiya, U.K.(Department of Human Resource Management Faculty of Management Studies and Commerce University of Sri Jayewardenepura, 2017)