Silva, K. D. M.; Premaratne, W. A. P. J.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Premaratne, W. A. P. J.; Fernando, K. D. G.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Medagoda, S. M. C. R.; Premaratne, W. A. P. J.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Premaratne, W. A. P. J.; Thisera, P. A. U. D.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Ranaweera, A.D. P. S.; Karunawardana, W. A. L. S.; Abeysinghe, D. T.; Premaratne, W. A. P. J.(Faculty of Science, University of Kelaniya, Sri Lanka., 2021)
Ranasinghe, R. A. H. B.; Premaratne, W. A. P. J.; Perera, P. L. R. A.; Perera, W. P. R. T.; Liyanage, J. A.(Faculty of Science, University of Kelaniya Sri Lanka, 2022)
Perera, M. A. S. N.; Kadigamuwa, C. C.; Gunathilaka, V. H. N. M.; Samaraweera, G. A.; Perera, W. P. R. T.; Perera, P. L. R. A.; Liyanage, J. A.; Premaratne, W. A. P. J.(Faculty of Science, University of Kelaniya Sri Lanka, 2023)