Khudolii, Oleg, Pavol Bartík, Dmytro Ivanov, and Andrii Bezzub. “Didactics: Peculiarities of Motor Skills Development in Boys Aged 14-15”. Physical Education Theory and Methodology 21, no. 4 (December 25, 2021): 381–388. Accessed June 9, 2026. https://tmfv.com.ua/journal/article/view/1614.