Gunatilake, K.A.D.P.M.; Galgodawaththa, G.W.I.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)
Kambaraman, B.; Srinivasaragavan, S.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)