Weerasinghe, W.R.H.; Attanayake, R.N.; Weerakoon, G.; Paranagama, P.A.(Proceedmgs of the Postgraduate Institute of Science Research Congress. Sri Lanka, 2019)
Gunawardhana, M.H.A.Y.; Wickramarachchi, P.A.S.R.; Weerasinghe, W.R.H.; Paranagama, P.A.(Proceedings of the 1st International Conference on Frontiers in Chemical Technology, Institute of Chemistry Ceylon, 2020)
Athapattu, R.S.K.; Jayarathna, S.P.N.C.; Paranagama, P.A.; Senanayake, S.P.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)