D’Elia, Francesca, Tiziana D’Isanto, Gaetano Altavilla, and Gaetano Raiola. 2021. “Evolution of Explosive Strength Data in Youth Volleyball Players Before and After Pandemic”. Teorìâ Ta Metodika Fìzičnogo Vihovannâ 21 (4), 375-80. https://doi.org/10.17309/tmfv.2021.4.13.