Sztobryn, Sławomir. “The Concept of Spirituality in the Tradition of Polish Secular Pedagogical Thought”. Nauki o Wychowaniu. Studia Interdyscyplinarne 12, no. 1 (June 14, 2021): 69–76. Accessed May 18, 2024. https://www.czasopisma.uni.lodz.pl/wychow/article/view/10027.