Opatha, H.H.D.N.P.; Rathnayake, S.(Department of Human Resource Management Faculty of Management Studies and Commerce University of Sri Jayewardenepura, 2018)
Dasanayaka, P. N.; Perera, A. A. U.; Weerasena, O. V. D. S. J.; Subhashini, M. H. A. D.(Faculty of Graduate Studies , University of Sri Jayewardenepura, 2018)