Sztobryn-Bochomulska, Justyna. “The Concept of Existence by Karl Jaspers As a Contribution to Reflection on the Everyday Reality of Education”. Nauki O Wychowaniu. Studia Interdyscyplinarne, vol. 2, no. 1, Apr. 2016, pp. 147-55, https://czasopisma.uni.lodz.pl/wychow/article/view/11397.