Jayasinghe, J.A.K.S.; Weerasinghe, W. D. J. D.(Department of Finance, Faculty of Commerce and Management Studies, University of Kelaniya Sri Lanka, 2020)
Wanigasooriya, Priyanwada; Silva, Wajira Prasad De(Department of Marketing Management, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka., 2021)