KHILYA, Mykhailo. Theoretical and legal characteristics of the system of the sources of the administrative law of ukraine. Actual problems of law, [S. l.], v. 1, n. 1, p. 81–85, 2019. DOI: 10.35774/app2019.01.081. Disponível em: https://appj.wunu.edu.ua/index.php/apl/article/view/647.. Acesso em: 29 apr. 2024.