HYLIA, Mykhailo. Legal requirements to normative legal acts in the system of administrative law source. Actual problems of law, [S. l.], v. 1, n. 2, p. 89–94, 2019. DOI: 10.35774/app2019.02.089. Disponível em: https://appj.wunu.edu.ua/index.php/apl/article/view/708.. Acesso em: 13 may. 2024.