Quintana Zaez, J. C., L. A. Quintero Domínguez, J. A. Antón Vargas, J. Sorí Gómez, and N. Quintana Bernabé. “Clustering Opinion Polarity of Student’s Strategies As Clues for Motivation”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 15, no. 5, Nov. 2024, pp. 115-26, doi:10.61467/2007.1558.2024.v15i5.569.