Farimani, Fazel M., Seyed Reza Mirnezami, and Ali Maleki. “A Gas Cartel in the Global Market? Hype or Reality”. International Journal of Energy Economics and Policy 9, no. 6 (October 4, 2019): 296–304. Accessed May 30, 2024. https://www.econjournals.com/index.php/ijeep/article/view/8128.