Vásquez-Haro, M., S. Zambrano-Cedeño, J. Molina-Solórzano, and R. Moreira-Moreira. “Extracurricular Training in the Educational Process”. CIENCIAMATRIA, Vol. 8, no. 2, Dec. 2022, pp. 853-64, doi:10.35381/cm.v8i2.1016.