D’Elia, Francesca, Tiziana D’Isanto, Gaetano Altavilla, and Gaetano Raiola. “Evolution of Explosive Strength Data in Youth Volleyball Players Before and After Pandemic”. Physical Education Theory and Methodology 21, no. 4 (December 25, 2021): 375–380. Accessed July 26, 2026. https://www.tmfv.com.ua/journal/article/view/1602.