1. Anderson, C., McDougald, J., & Cuesta Medina, L. (2015). CLIL for young learners. In C. N. Giannikas, L. Mclaughlin, G. Fanning, & N. D. Muller (Eds.), Children learning English: From research to practice (pp. 137–152). Faversham, UK: IATEFL.
2. Anderson, L. W., & Krathwohl, D. R. (2001). A taxonomy for learning, teaching and assessing: A revision of Bloom’s taxonomy of educational objectives. New York: Longman.
3. Arias, A. (2021). EFL teachers’ challenges to write content and language objectives for CBI lesson plans at a Mexican university. Latin American Journal of Content & Language Integrated Learning, 13(2), 215–240.
4. Ball, P., Kelly, K., & Clegg, J. (2015). Putting CLIL into practice. Oxford, UK: Oxford University Press.
5. Banegas, D. L. (2013). The integration of content and language as a driving force in the EFL lesson. In E. Ushioda (Ed.), International perspectives on motivation: Language learning and professional challenges (pp. 82–97). Basingstoke, UK: Palgrave.