Konpola, K.W.A.M.; Angammana, A.M.S.; Hettiarachchi, N.; Wijayasundara, N.D.; Ranasinghe, S.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka., 2017)
Hettiarachchi, N.; Ramanayaka, K.H.; Jayasekara, P.K.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya,Sri Lanka., 2017)