Senanayake, S.M.T.; Madusanka, W.M.H.; Gunasinghe, H.C.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)
Senarathna, K.I.D.; Heshini, K.G.J.; Weerasooriya, W.R.W.M.C.S.K.; Senani, R.A.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka., 2017)