"Graph-Theoretic Invariants and the Normal Subgroup Structure of Automorphism Groups A Unified Treatment of Spectral, Chromatic, and Topological Perspectives Mathematics Subject Classification (2020): 05C25, 05C50, 05E18, 20B25, 20E15". مجلة الفاروق للعلوم 2, no. ملحق 3 (يوليو 10, 2026): 78–91. تاريخ الوصول يوليو 16, 2026. https://afjs.histr.edu.ly/index.php/afjs/article/view/499.