Živanović, Cvijetin, and Velemir Zekić. “SECURITY STUDIES ON CONCEPTUAL CHANGES SINCE THE COLD WAR”. ACADEMIC REVIEW 3, no. 1 (June 30, 2019): 28-33. Accessed July 1, 2026. https://doisrpska.nub.rs/index.php/AKPGD/article/view/13327.