Gunarathne, P. K. K. S.; Tennakoon, T. M. S. P. K.; Edirisinghe, J.C.; Jayasundara, K. K. I.(Faculty of Technology Rajarata University of Sri Lanka, 2021-12)
Gunarathne, P. K. K. S.; Tennakoon, T. M. S. P. K.; Edirisinghe, J.C.; Jayasundara, K. K. I.(Faculty of Technology Rajarata University of Sri Lanka, 2021-12)
Wanniarachchi, W.S.A.; Wijerathna, H.M.S.C.; Jayasingha, J.A.K.M.(Department of English Language Teaching - Faculty of Social Sciences and Humanities - Rajarata University of Sri Lanka, 2021-06-30)