Rykiel, Zuzanna, Paulina Pelic, Natalia Południak, Dominik Drzewi, Natalia Szymańska, Justyna Burakowska, Daria Skrzek, et al. “Selected School Solutions in the Field of a Healthy Lifestyle Among Children and Adolescents”. Journal of Education, Health and Sport 11, no. 7 (July 14, 2021): 79–97. Accessed February 5, 2025. https://apcz.umk.pl/JEHS/article/view/JEHS.2021.11.07.007.