SAJ, Marek. Penal Law and Penal Precept as sources of ecclesiastical penalty . Prawo Kanoniczne, [S. l.], v. 67, n. 2, p. 27–52, 2024. DOI: 10.21697/pk.2024.67.2.02. Disponível em: https://czasopisma.uksw.edu.pl/index.php/pk/article/view/16380. Acesso em: 10 jan. 2026.