Bandara, Y.K.W.; Pretheeba, T.(Department of Business Management, Faculty of Business Studies and Finance, Wayamba University of Sri Lanka. Kuliyapitiya, 2010)
Nanayakkara, K.G.M.; Wijetunge, W.A.D.S.(Department of Business Management, Faculty of Business Studies and Finance, Wayamba University of Sri Lanka. Kuliyapitiya, 2010)