ZYDEK, Sylwia. The Role and Importance of the Eucharistic Crusade and the Sodality of Our Lady in the Process of Religious Education according to St Ursula Ledóchowska (1865-1939). Paedagogia Christiana. Online. 28 December 2020. Vol. 46, no. 2, pp. 189-204. [Accessed 22 December 2024]. DOI 10.12775/Pch.2020.025.