SZUBERT, Jędrzej and KEMPIŃSKA-PODHORODECKA, Agnieszka. The Impact of the Pandemic Caused by the SARS-COV-2 Virus on the Functional Fitness of Young Football Players Training from 2017 to 2022. Journal of Education, Health and Sport. Online. 26 May 2025. Vol. 80, p. 60955. [Accessed 28 June 2025]. DOI 10.12775/JEHS.2025.80.60955.