APOSTOLIDOU, A. European Integration and Customs Union. Proceedings of the International Conference on International Business (ICIB) 2023–2024, [S. l.], v. 1, n. 1, p. 79–83, 2025. DOI: 10.12681/icib.8148. Disponível em: https://eproceedings.epublishing.ekt.gr/index.php/ICIB/article/view/8148. Acesso em: 5 dec. 2025.