Pimentel-Velázquez, Cynthia, and Maria Ellison. “Textbook Analysis for Literacy Development in CLIL”. Porta Linguarum. An International Journal of Foreign Language Teaching and Learning, no. 45 (January 30, 2026): 265–284. Accessed August 19, 2026. https://revistaseug.ugr.es/index.php/portalin/article/view/32245.