Rajapaksha, R.D.A.A.; Fernando, C.A.N.; Foo, K.L.; Hashim, U.; Balakrishna, R.G.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
Senevirathna, R.A.P.S.; Jayasekara, P.K.(Department of Library and Information Science, Bharathidasan University, Thiruchirappalli, Tamil Nadu, India., 2017)