Pathiratne, S.; Amaratunga, P.A.B.H.; Weerasinghe, D.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)
Amarathunga, P.A.B.H.; Pathiratne, S.; Weerasinghe, D.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)