MACIEJEWSKI, M. Alma Mater Studiorum. On the origin and the beginnings of universities. The Opole Studies in Administration and Law, [S. l.], v. 15, n. 2, p. 9–22, 2017. DOI: 10.25167/osap.1268. Disponível em: https://czasopisma.uni.opole.pl/index.php/osap/article/view/1268. Acesso em: 22 sep. 2025.