"The Impact of Green Innovation Orientation on Enhancing Competitive Advantage of Private Universities: A Perspective from Graduates of OnaizahColleges, Saudi Arabia" (2025) مجلة اقتصاديات شمال افريقيا, 20(35), ص 219–242. موجود في: https://journals.univ-chlef.dz/index.php/renaf/article/view/179 (تاريخ الوصول: 23 أكتوبر 2026).