Joint training of customs officials in the European Union. Academic Journal of Internal Affairs, [S. l.], v. 72, n. 1, p. 55–74, 2024. DOI: 10.38146/BSZ.2024.1.4. Disponível em: http://belugyiszemlejournal.pitservice.hu/index.php/belugyiszemle/article/view/1363. Acesso em: 2 mar. 2026.