Gutiérrez, G., J. Canul-Reich, A. Ochoa Zezzatti, L. Margain, and J. Ponce. “Mining: Students Comments about Teacher Performance Assessment Using Machine Learning Algorithms”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 9, no. 3, June 2018, pp. 26-40, https://ijcopi.org/ojs/article/view/99.