Munasinghe, J; Kekulawala, K.I.S.(Sri Lanka Association for the Advancement of Science Proceedings of the 73rd Annual Sessions - 2017 , Department of Mathematics, University of Kelaniya,Sri Lanka., 2017)
Jayaweera, I.M.L.N.; Perera, K.K.K.R.; Munasinghe, J.(IOSR Journal of Mathematics (IOSR-JM), Department of Mathematics, Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Munasinghe, J.; Gunasekera, H.D.S.(International Conference on Computational Modelling and Simulation-2017 (ICCMS 117), Department of Mathematics, Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Munasinghe, J.,; Jayalath, T. D.,; Kannangara, B. T. S. D. P.,(International Conference on Applied and Pure Sciences, 2020 Faculty of Science, University of Kelaniya, Sri Lanka, 2020)