Szymanek-Pilarczyk, Marta. “The Effects of Supplementary Plyometric Training on the Development of Selected Motor Skills of Young Football Players from Akademia Raków Częstochowa Football Club”. Sport and Tourism Central European Journal 4, no. 1 (March 29, 2021): 129–138. Accessed November 23, 2024. https://czasopisma.ujd.edu.pl/index.php/sport/article/view/1219.