Ontaneda Rea, Mónica, and Jorge Luis Sánchez Román. “Implementing Backward Design to Improve students’ Academic Performance in EFL Classes”. Espirales Revista Multidisciplinaria de investigación 3, no. 24 (January 2, 2019): 42–50. Accessed May 20, 2026. https://revistaespirales.com/index.php/es/article/view/422.