Hoang, T. N., T. A. Nguyen, M. H. Nguyen, and M. Pokhare. “Digital Lags and Challenges in E-Government Development in Developing Versus Developed Country: A Comparative Case Study Between Vietnam and South Korea”. Journal of International Economics and Management, no. 62, Feb. 2014, pp. 61-75, https://jiem.ftu.edu.vn/index.php/jiem/article/view/101.