Erdoğan, Seyfettin, Durmuş Çağrı Yıldırım, and Ayfer Gedikli. “Relationship Between Oil Revenues and Education in Gulf Cooperation Council Countries”. International Journal of Energy Economics and Policy 10, no. 1 (November 13, 2019): 193–201. Accessed May 3, 2024. https://www.econjournals.com/index.php/ijeep/article/view/8653.