Sánchez-García, Rosa, and Víctor Pavón-Vázquez. “Students’ Perceptions on the Use of Project-Based Learning in CLIL: Learning Outputs and Psycho-Affective Considerations”. Latin American Journal of Content & Language Integrated Learning, vol. 14, no. 1, Nov. 2021, pp. 69-98, doi:10.5294/laclil.2021.14.1.3.