Santopietro, Federica, Simona Fattore, Felice Di Domenico, and Italo Sannicandro. “Tennis and Learning through the Fit Junior Program: Observations and Results for the Didactics Aim”. Journal of Human Sport and Exercise 15, no. 3proc (September 28, 2020): S619-S627. Accessed May 8, 2024. https://www.jhse.ua.es/article/view/2020-v15-n3-proc-tennis-learning-fit-junior-program-didactics.