KUĆKO, Wojciech. Fraternity in the Teaching of Pope Francis. Collectanea Theologica, [S. l.], v. 90, n. 5, p. 701–740, 2021. DOI: 10.21697/ct.2020.90.5.30. Disponível em: https://czasopisma.uksw.edu.pl/index.php/ct/article/view/7391. Acesso em: 5 grudz. 2025.