Enders, Angela, Rudolf Hitzler, and Christian Gößinger. “Current Challenges for Preschool Primary Education”. Nauki o Wychowaniu. Studia Interdyscyplinarne 17, no. 2 (October 21, 2023): 29–45. Accessed December 17, 2025. https://www.czasopisma.uni.lodz.pl/wychow/article/view/20040.