Шевченко, Олег Олександрович. “Changes of Indicators of High-Speed and High-Speed and Power Preparedness at Volleyball Players of 12–13 Years Old”. Slobozhanskyi Herald of Science and Sport, no. 2(52) (April 30, 2016): 132–135. Accessed November 24, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/67178.