Fortuna, Małgorzata, Jacek Szczurowski, Patryk Winiarz, Kamil Walczewski, and Iwona Demczyszak. “Estimating the Level of Aerobic Capacity at the Players During the Preparatory Period”. Journal of Education, Health and Sport 8, no. 3 (March 7, 2018): 242–252. Accessed April 17, 2024. https://apcz.umk.pl/JEHS/article/view/5350.