Tennakoon, W.D.N.S.M.; Arachchi, R.S.S.W.(Department of Business Management, Faculty of Business Studies and Finance, Wayamba University of Sri Lanka. Kuliyapitiya, 2010)
Arachchi, R.S.S.W.; Thennakoon, W.D.N.S.M.(Department of Business Management, Faculty of Business Studies and Finance, Wayamba University of Sri Lanka. Kuliyapitiya, 2010)