Marvasti, M. B., and S. Razzaghi. “Investigating the Determinants of Financial Development in OPEC Countries: An Application of Bayesian Model Averaging Approach”. International Journal of Energy Economics and Policy, vol. 10, no. 1, Nov. 2019, pp. 342-5, https://www.econjournals.com/index.php/ijeep/article/view/8498.