Gukasyan, G. L., A. K. Aifary, V. S. Semenovich, and V. V. Mantsev. “State Economic Policy and Reform in the Oil-Exporting Countries on the Example of Saudi Arabia, the UAE and Iraq”. International Journal of Economics and Financial Issues, vol. 6, no. 4, Oct. 2016, pp. 1534-41, https://econjournals.com/index.php/ijefi/article/view/3065.