Delchev D. THE WAR IN UKRAINE AND THE TRANSFORMATIONOF EUROPEAN SECURITY THROUGH THE LENS OF NEOREALISMAND REGIONAL SECURITY COMPLEX THEORY. VFU [Internet]. 2026 Jun. 29 [cited 2026 Jul. 15];(25):808-24. Available from: https://ejournal.vfu.bg/index.php/vfu/article/view/323