RIABCHENKO, O. THE PLACE OF CUSTOMS LAW IN THE STRUCTURE OF THE LEGAL SYSTEM: SOME PROPOSALS FOR DEFINITION. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 3, n. 64, p. 30–37, 2022. DOI: 10.18372/2307-9061.64.16873. Disponível em: http://jrnl.kai.edu.ua/index.php/UV/article/view/16873. Acesso em: 28 apr. 2026.