Piekorz, Zuzanna, Maciej Danielski, Katarzyna Strojek, Paweł Molski, Walery Zukow, and Andrzej Lewandowski. “Fleksibility and Strenght of Rowers”. Journal of Education, Health and Sport 8, no. 6 (June 30, 2018): 358–371. Accessed January 7, 2025. https://apcz.umk.pl/JEHS/article/view/5819.