Díaz Perera, J. J., de Luna Flores, M. del C. and Salinas-Padilla, H. A. (2019) “Algebraic Leveling Course to Increase Academic Performance in Engineering Students in a Virtual Learning Environment”, RIDE Revista Iberoamericana para la Investigación y el Desarrollo Educativo, 9(18), pp. 456 - 489. doi: 10.23913/ride.v9i18.432.