SAN MARTÍN VADILLO, Ricardo. Research on the good language teacher. Epos : Revista de filología, [S. l.], n. 15, p. 347, 1999. DOI: 10.5944/epos.15.1999.10117. Disponível em: https://revistas.uned.es/index.php/EPOS/article/view/10117. Acesso em: 26 ene. 2026.