GŁÓWCZEWSKA, A. Progress and change, or a curiosity in the light of administrative law? Administrative institutions established by non-public entities – the example of non-public museums. The Opole Studies in Administration and Law, [S. l.], v. 23, n. 2, 2025. DOI: 10.25167/osap.5911. Disponível em: https://czasopisma.uni.opole.pl/index.php/osap/article/view/5911. Acesso em: 24 jan. 2026.