The Clash of Hypotheses: The EU’s Eastern Enlargement. Czech Journal of International Relations, Prague, Czech Republic, v. 40, n. 4, p. 5–27, 2005. DOI: 10.32422/cjir.630. Disponível em: https://cjir.iir.cz/index.php/cjir/article/view/630. Acesso em: 6 feb. 2026.