Senevirathna, R.A.P.S.; Jayasekara, P.K.(Department of Library and Information Science, Bharathidasan University, Thiruchirappalli, Tamil Nadu, India., 2017)
Jayasekara, P.K.; Senevirathna, R.A.P.S.(Department of Library and Information Science, Bharathidasan University, Thiruchirappalli, Tamil Nadu, India., 2017)