Karacaer-Ulusoy, Merve, and Ayhan Kapusuzoglu. 2017. “The Dynamics of Financial and Macroeconomic Determinants in Natural Gas and Crude Oil Markets: Evidence from Organization for Economic Cooperation and Development Gulf Cooperation Council Organization of the Petroleum Exporting Countries”. International Journal of Energy Economics and Policy 7 (3):167-87. https://mail.econjournals.com/index.php/ijeep/article/view/4731.