Humaira Saeed, Professor Dr. Summer Sultana, Faisal (Charan). Eastern Europe as a Strategic Frontier: Geopolitical Transformation, Security Reconfiguration, and Power Competition in the 21st Century. ASSAJ [Internet]. 2026 Jun. 22 [cited 2026 Jun. 23];5(2):2267-76. Available from: https://www.assajournal.com/index.php/36/article/view/1889