Uribe, S. C., M. J. Arista-Huaco, I. A. Encalada-Díaz, and S. D. Isla-Alcoser. “Physical Activity, Physical Condition and Quality of Life in Schoolchildren”. Journal of Human Sport and Exercise, vol. 16, no. 3proc, Sept. 2021, pp. S980-S987, doi:10.14198/jhse.2021.16.Proc3.14.