Hewitt, Elena Carolina, and Elena García-Sánchez. “The Evolution of Content and Language Integrated Learning (CLIL) in Spain: An Empirical Project at the University Level”. Latin American Journal of Content & Language Integrated Learning 5, no. 1 (April 27, 2012): 57–67. Accessed September 27, 2022. https://laclil.unisabana.edu.co/index.php/LACLIL/article/view/laclil.2012.5.1.5.