J. E. J. Balcázar Gallo, L. A. Alva Reyes, F. J. Flores Moscol, and A. W. Chamoli Falcón, “Gamification as a motivational tool in university learning: A systematic review”, Revista InveCom, vol. 6, no. 3, pp. 1–10, Oct. 2025, doi: 10.5281/zenodo.17258216.