G. N. Ramón Guaña and V. S. Palacios Izquierdo, “Gamification Strategies to Optimize the Teaching of Linear Equations”, EKSIGMA, vol. 2, no. 2, pp. 38–50, May 2026, Accessed: Sep. 11, 2026. [Online]. Available: https://eksigma.com/index.php/principal/article/view/27