Caballero Sandoval, Edinson Armando, Nhora Beatriz Peñaranda Ronderos, and Nixon Albeiro Zambrano Medina. “Pedagogical Strategies Based on Challenge-Based Learning for the Appropriation of Geometric Concepts in Ninth Grade Students”. Mundo FESC Journal 16, no. 34 (January 1, 2026). Accessed November 13, 2026. https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/2138.