Raiola, G., Aliberti, S., Esposito, G., Altavilla, G., D’Isanto, T., & D’Elia, F. (2020). How has the Practice of Physical Activity Changed During the COVID-19 Quarantine? A Preliminary Survey. Physical Education Theory and Methodology, 20(4), 242–247. https://doi.org/10.17309/tmfv.2020.4.07