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)
Mohamed, M. S. A.; Wathugala, D. L.; Indika, W. A.; Madushika, M.K.S.; Gunawardana, D. A. Y. K(Faculty of Commerce and Management Studies University of Kelaniya, Sri Lanka, 2020)
Afham, S. A.; Wijekoon, W. M. L. N.; Darshika, H. S.; Kulawardhana, K.K. K. M. S.; Herath, H. M. R. P(Faculty of Commerce and Management Studies University of Kelaniya, Sri Lanka, 2020)
Paranavithana, B. N; Senadheera, T. H; Nandana, T. A. S. M.; Liyanaarachchi, L. A. D. P. K.; Herath, H. M. R. P(Faculty of Commerce and Management Studies University of Kelaniya, Sri Lanka, 2020)
Laksiri, P. H. P. N.; Indika, W. A.; Madushika, M. K. S.; Wathugala, D. L.(Faculty of Commerce and Management Studies University of Kelaniya, Sri Lanka, 2020)
Ayeshmantha, B. A. M.; Wilwala Arachchi, W. A. M. H.; Herath, H. M. R. P(Faculty of Commerce and Management Studies University of Kelaniya, Sri Lanka, 2020)
Fernando, W. W. J. N.; Subasinghe, I. K.; Fernando, W. B. N. D.; Herath, H. M. R. P(Faculty of Commerce and Management Studies University of Kelaniya, Sri Lanka, 2020)