Mostafaei, Hamidreza, and Leila Sakhabakhsh. “Using SARFIMA Model to Study and Predict the Iran’s Oil Supply”. International Journal of Energy Economics and Policy 2, no. 1 (December 5, 2011): 41–49. Accessed February 23, 2026. https://www.econjournals.com/index.php/ijeep/article/view/107.