Hameed Hussien عامر. “The Expansion of NATO in Eastern Europe and the Geopolitics of the Ukrainian Crisis (a Study in Cooperation and Challenges)”. Al-Kitab Journal for Human Sciences 8, no. 5 (June 5, 2023): 71–98. Accessed August 11, 2026. https://isnra.net/ojs/index.php/KJHS/article/view/763.