Іващенко, О. В., С. А. Пашкевич, and Ю. В. Крінін. “Comparative Characteristics of Functional Coordination and Force Readiness Boys 8—9 Grades”. Physical Education Theory and Methodology, no. 2 (June 25, 2014): 31–39. Accessed March 29, 2024. https://tmfv.com.ua/journal/article/view/1099.