In the Heart of CLIL: Materials and Methods. A Manual for Secondary School Teachers. Pulso. Revista de educación, [S. l.], n. 42, p. 297–299, 2019. DOI: 10.58265/pulso.5038. Disponível em: https://revistas.cardenalcisneros.es/pulso/article/view/5038. Acesso em: 21 may. 2026.