Ghafouri, Habiba Mounet Errahmane, Toureche Zineb, Boudjadar Ilhem, and Tlilani Fatima Zohra. 2025. “The Impact of Export Diversification on Economic Growth in OPEC Member Countries During the Period 2007-2021”. International Journal of Economic Perspectives 19 (5):2349-61. https://ijeponline.lingcure.org/index.php/journal/article/view/1056.