Hidalgo , David Ruiz, and Delfín Ortega-Sánchez. “CLIL (Content and Language Integrated Learning) Methodological Approach in the Bilingual Classroom: A Systematic Review1”. International Journal of Instruction 16, no. 3 (July 1, 2023): 915–934. Accessed November 24, 2024. https://e-iji.net/ats/index.php/pub/article/view/114.