PAWESKA, M.; BUGAYKO, D.; GRIGORAK, M.; MENDRUN, R. TRANSPORT LAW AND THE CERTIFICATION PROCESS IN POLAND AND EUROPEAN UNION. Proceedings of National Aviation University (archive), [S. l.], v. 57, n. 4, p. 151–154, 2014. DOI: 10.18372/2306-1472.57.5598. Disponível em: http://jrnl.nau.edu.ua/index.php/visnik/article/view/5598. Acesso em: 13 apr. 2026.