Irshad, M. S., Q. . Xin, S. . Shahriar, and F. . Ali. “South Korea’s Potential Export Flow: A Panel Gravity Approach”. Asian Journal of Empirical Research, vol. 8, no. 4, Apr. 2018, pp. 124-39, doi:10.18488/journal.1007/2018.8.4/1007.4.124.139.