Kulangana, T.; Bandara, W. A. R. T. W.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Wijayasenarathne, K. A. S. H.; Bandara, W. A. R. T. W.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Leelarathna, W. D. S. R.; Bandara, W. A. R. T. W.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Bandara, W. A. R. T. W.; Theekshana, I. K. P. R.; Tharaka, T.; Ketethenna, K. V. L. M.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)