ŁAZUTKA , P. Cooperation of spa municipalities in the form of a joint authority as an instance of variety of forms of performing tasks in the area of public administration. The Opole Studies in Administration and Law, [S. l.], v. 16, n. 1 (1), p. 119–126, 2019. DOI: 10.25167/osap.210. Disponível em: https://czasopisma.uni.opole.pl/index.php/osap/article/view/210. Acesso em: 2 nov. 2024.