Zakrzewska, Aldona. “Religious Education of Young Children and Teenagers During the Interwar Period As the Source of Humanization of Social Life”. Paedagogia Christiana 30, no. 2 (November 28, 2012): 47–68. Accessed March 18, 2025. https://apcz.umk.pl/PCh/article/view/PCh.2012.023.