Kurian, S.; De Alwis, A. C.; Padmasiri, M. K. D.; Ramanathan, H. N.; Chacko, P. S.(8th International Conference on Business & Information ICBI – 2017, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka., 2017)
Kurian, S.; Ramanathan, H. N.; De Alwis, C.; De Alwis, A. H. M.; Thomas, B. A.(Faculty of Commerce and Management Studies University of Kelaniya, Sri Lanka, 2020)