ВИШНОВЕЦЬКИЙ, В. М. DUTY IN THE SYSTEM OF MANDATORY PAYMENTS. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 4, n. 13, p. 38–41, 2009. DOI: 10.18372/2307-9061.13.10387. Disponível em: https://jrnl.nau.edu.ua/index.php/UV/article/view/10387. Acesso em: 21 dec. 2025.