Nishanthan, M.; Kavitha, S.; Mosharani, S.; Amuthapriya, S.; Vithana, V.N.(Department of Statistics & Computer Science, University of Kelaniya, Sri Lanka, 2016)
Rathnayake, S.; Rathnayake, S.(The International Conference on Land Transportation, Locomotive Heritage and Road Culture - 2017The International Conference on Land Transportation, Locomotive Heritage and Road Culture - 2017, 2017)
Jayakody, J. A. M. B.(5th National Conference on Applied Social Statistics (NRCASS) - 2019, Department of Social Statistics, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2019)
Perera, I.G.A.N.(19th Conference on Postgraduate Research, International Postgraduate Research Conference 2018, Faculty of Graduate Studies,University of Kelaniya, Sri Lanka, 2018)
Raazim, M. A. M.; Gunaratne, Y. M. C.; Nawarathna, A. M. D. B.(8th International Conference on Business & Information ICBI – 2017, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka., 2017)