GUTIÉRREZ-BERMÚDEZ, Julián Felipe. An exercise in course-book evaluation: Strengths, weaknesses, and recommendations regarding New English file: Elementary. Latin American Journal of Content & Language Integrated Learning, [S. l.], v. 7, n. 1, p. 98–111, 2014. DOI: 10.5294/3870. Disponível em: https://laclil.unisabana.edu.co/index.php/LACLIL/article/view/3870. Acesso em: 23 nov. 2024.