DAT, P. M. ., and D. T. N. . HUY. “Opportunities and Challenges for Doing Business in Vietnam via a Multi Factor Model Impacts”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 2, Apr. 2021, pp. 149-53, https://cibgp.com/au/index.php/1323-6903/article/view/913.