E. Prokopchik, 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”, hsm, vol. 23, no. S2, pp. 78-85, Jan. 2024.