"A RESEARCH STUDY OF SUPER MATERIAL WORLD IN THE LIGHT OF WALLI ULLAHI’S PHILOSOPHY" (2023) International Research Journal of Religious Studies, 3(1), ص 1–16. موجود في: https://irjrs.com/index.php/irjrs/article/view/18 (تاريخ الوصول: 3 مايو 2026).