KOWALCZUK, Maria, LIPIŃSKA, Justyna, LIPIŃSKI, Łukasz and KOPEĆ, Izabela. Intermittent fasting and its influence on health and sports results. Journal of Education, Health and Sport. Online. 5 February 2024. Vol. 57, pp. 11-25. [Accessed 25 December 2025]. DOI 10.12775/JEHS.2024.57.001.