AL SHEHRI, Hamdan. The models of acquisition and teaching in a second language, and the hypothesis of the affective filter of Krashen. Avances en Supervisión Educativa, [S. l.], n. 16, 2012. DOI: 10.23824/ase.v0i16.506. Disponível em: https://avances.adide.org/index.php/ase/article/view/506. Acesso em: 14 aug. 2025.