Ramírez, Adrian Alonso, and Diana Eunice Chel Hoil. “Analysis of the Educational Reform in México, from the Perspective of the Physical Education Subject”. Revista Ciencias De La Actividad Física UCM, vol. 20, no. 2, Oct. 2019, pp. 1-17, https://doi.org/10.29035/rcaf.20.2.2.