Gozhenko, Anatolii, Viktor Biryukov, Olena Gozhenko, and Walery Zukow. “Health As a Space-Time Continuum”. Journal of Education, Health and Sport 8, no. 11 (November 30, 2018): 763–777. Accessed April 27, 2024. https://apcz.umk.pl/JEHS/article/view/6877.