Gil-Espinosa, Francisco Javier. “Flipped Learning: Project-Based Learning Proposal and Evaluation Through Rubrics in Physical Education”. Lecturas: Educación Física y Deportes 26, no. 279 (August 14, 2021): 20-36. Accessed November 12, 2026. https://efdeportes.com/efdeportes/index.php/EFDeportes/article/view/3006.