POTOCKI, Łukasz. Permanent Structured Cooperation (PESCO): Expanding Defense Cooperation between European Union Countries. Regional Barometer. Analyses & Prognoses, [S. l.], v. 18, n. 2, p. 33–48, 2022. DOI: 10.56583/br.2051. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/2051. Acesso em: 8 nov. 2024.