Prokopchik, E, I Izarovskaia, E Kokoreva, E Perelman, L Smirnova, and E Iashchenko. “DEVELOPMENT OF COORDINATION, SPEED, AND STRENGTH IN VOLLEYBALL PLAYERS AGES 15–16 DURING PHYSICAL TRAINING”. Human. Sport. Medicine 23, no. S2 (January 12, 2024): 78-85. Accessed August 16, 2025. https://hsm.susu.ru/hsm/en/article/view/2238.