Ramón Guaña, Gladys Nicole, and Valeria Saray Palacios Izquierdo. “Gamification Strategies to Optimize the Teaching of Linear Equations”. EKSIGMA 2, no. 2 (May 15, 2026): 38–50. Accessed September 11, 2026. https://eksigma.com/index.php/principal/article/view/27.