Amarasooriya, D. N. P.(The Third International Conference on Linguistics in Sri Lanka, ICLSL 2017. Department of Linguistics, University of Kelaniya, Sri Lanka., 2017)
Liyanage, A. K. S. I. K.(The Third International Conference on Linguistics in Sri Lanka, ICLSL 2017. Department of Linguistics, University of Kelaniya, Sri Lanka., 2017)
Deveniguru, D.K.L.C.; Ratnayake, A. R. M. J. C.; Thilakawardana, I.G.L.S.(International Conference on the Humanities (ICH 2018/2019), Faculty of Humanities, University of Kelaniya, Sri Lanka, 2018)