Reyes-Amigo, T. R., Sepulveda-Figueroa , F. ., Cristi-Montero , C., Bezerra, A., Freitas, L., Hurtado, J. ., … Mendoza, E. . (2023). Effect of a physical activity program on fitness perception of 9 to 11-year-old schoolchildren: Fitness and perception in children . Cultura, Ciencia Y Deporte, 18(58). https://doi.org/10.12800/ccd.v18i58.2061