Amarasooriya, M. P. N. A.; Rajapakse, C. S. K.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Hettiarachchi, A. H .P.; Rajapakse, C. S. K.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Samaranayaka, K. A. S.; Rajapakse, C. S. K.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Silva, A.G.; Wickramaarachchi, S.; Attanayake, R. N.; Rajapakse, C. S. K.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Perera, P. L. R. A.; Rajapakse, C. S. K.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Dikella, D. G. T. N.; Rajapakse, C. S. K.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Mahalingam, T.; Somachandra, K. P.; Rajapakse, C. S. K.; Attanayake, R. N.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Pathirannehe, P. N. S.; Fernando, T. D.; Rajapakse, C. S. K.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)