Martínez-Majolero, Víctor. “Challenge-Based Learning: An Innovative Strategy for Competence Development and Motivation in Physical Education”. Educación y Futuro: Revista de Investigación Aplicada y Experiencias Educativas, no. 53 (October 1, 2025): 123–141. Accessed July 22, 2026. https://educacionyfuturo.com/educacionyfuturo/article/view/8657.