HOC, S. Małgorzata Marta Szwejkowska, System of disciplinary penalties against prisoners serving custodial sentences, Toruń 2019, pp. 339. The Opole Studies in Administration and Law, [S. l.], v. 18, n. 1, p. 191–196, 2020. DOI: 10.25167/osap.2173. Disponível em: https://czasopisma.uni.opole.pl/index.php/osap/article/view/2173. Acesso em: 8 jan. 2025.