Lubkowska, Wioletta, Aleksander Wiażewicz, and Jerzy Eider. “The Correlation Between Sports Results in Swimming and General and Special Muscle Strength”. Journal of Education, Health and Sport 7, no. 12 (December 22, 2017): 222–236. Accessed June 30, 2024. https://apcz.umk.pl/JEHS/article/view/5143.