Zahraa Mohsin Shadahan Gharbawee, and Yaser Tolooei. “Topological Approximation Spaces Via Finite Groups”. Journal of Al-Qadisiyah for Computer Science and Mathematics 18, no. 1 (March 30, 2026): Math 65–77. Accessed March 30, 2026. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/2490.