Valencia Sánchez, Wilder Geovanny, et al. “Habilidades Motrices, concentración Y Capacidad Cardiorrespiratoria En Escolares Deportistas Y No Deportistas (Motor Skills, Concentration, and Cardiorespiratory Capacity in School Athletes and Non-Athletes)”. Retos, vol. 48, Mar. 2023, pp. 511-8, https://doi.org/10.47197/retos.v48.94077.