FERREIRA NAVARRO, M. BUGAJSKI, J., Return of the Balkans: Challenges to European Integration and U.S. Disengagement, Carlisle, Pennsylvania, Strategic Studies Institute, U.S. Army War College, 2013. El Futuro del Pasado, Salamanca, Spain, v. 6, p. 400–404, 2015. Disponível em: https://revistas.usal.es/uno/index.php/1989-9289/article/view/24883. Acesso em: 12 dic. 2024.