BIEŃ, M. Professional sports league as a capital company - the case of Polish Ekstraklasa. Kortowski Przegląd Prawniczy, [S. l.], n. 3, p. 5–18, 2025. DOI: 10.31648/kpp.10256. Disponível em: https://czasopisma.uwm.edu.pl/index.php/kpp/article/view/10256. Acesso em: 5 grudz. 2025.