Barril Llorens, Paula, José Antonio Pérez Turpin, Mario Amatria Jiménez, María José Gomis Gomis, and Xesús Pena-Pérez. 2023. “Impact of Socioeconomic Level on the Physical Condition of Schools: A Motor Gap”. Sustainability and Sports Science Journal 2 (1):1-13. https://doi.org/10.61486/FOIN3991.