Aththanayaka, A.M.M.C.; Madhusanka, Amila; Madushanka, Ayesh(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)
Siriwardana, A.S.; Dilinika, J.M.S.(Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya,Sri Lanka., 2017)