SIERPOWSKA, I. The legal conditions of national mourning in the light of forms of public administration activities. The Opole Studies in Administration and Law, [S. l.], v. 19, n. 3, p. 61–78, 2021. DOI: 10.25167/osap.3956. Disponível em: https://czasopisma.uni.opole.pl/index.php/osap/article/view/4584. Acesso em: 2 nov. 2024.