Khudolii, Oleg, Pavol Bartík, Dmytro Ivanov, and Andrii Bezzub. 2021. “Didactics: Peculiarities of Motor Skills Development in Boys Aged 14-15”. Teorìâ Ta Metodika Fìzičnogo Vihovannâ 21 (4), 381-88. https://doi.org/10.17309/tmfv.2021.4.14.