Bernaciński, Łukasz, and Marek Puzio. In Defence of the Rights of Religious Education Teachers: Guide for Catechists. Handbooks. Warszawa: Ordo Iuris Institute for Legal Culture - Scientific Press, 2025. Accessed March 24, 2026. https://wydawnictwo.ordoiuris.pl/index.php/books/catalog/book/57.