Munaweera, R.R.K.W.; Pandithavidana, D.R.(19th Conference on Postgraduate Research, International Postgraduate Research Conference 2018, Faculty of Graduate Studies,University of Kelaniya, Sri Lanka, 2018)
Munaweera, R.R.K.W.; Senanayake, C.; Algama, H.; Seneviratne, K.; Jayathilaka, N.(19th Conference on Postgraduate Research, International Postgraduate Research Conference 2018, Faculty of Graduate Studies,University of Kelaniya, Sri Lanka, 2018)