Strykalenkо Y. ., Shalar, O. ., Huzar, V., & Boychenko, A. . (2024). The effectiveness of the experimental program of speed and strength training of football players aged 13-14 with the use of blocks of specially selected exercises. Sports Games, (3(17), 91–102. https://doi.org/10.15391/si.2020-3.09