LEWANDOWSKI, Remigiusz. Contemporary Monopolies in the Polish Economy – the Case Study of PWPW. Oeconomia Copernicana, [S. l.], v. 5, n. 3, p. 127–152, 2014. DOI: 10.12775/OeC.2014.023. Disponível em: https://apcz.umk.pl/OeC/article/view/OeC.2014.023. Acesso em: 8 jul. 2025.