Dudek-KowalskaA. “Mercy: The Heart of the Faith and the Mission of the Church Based on the Selected Examples of the Teaching of Pope John Paul II”. Śląskie Studia Historyczno-Teologiczne, Vol. 52, no. 2, June 2020, pp. 322-38, https://journals.us.edu.pl/index.php/ssht/article/view/9248.