MIERZEJEWSKI, KRZYSZTOF. The obligation to be present at Mass on Sundays and on Holy Days of Obligation. Canon Law. Legal and Historical Quarterly, [S. l.], v. 57, n. 4, p. 65–88, 2014. DOI: 10.21697/pk.2014.57.4.04. Disponível em: https://czasopisma.uksw.edu.pl/index.php/pk/article/view/1424. Acesso em: 7 dec. 2025.