RUBIO, Fernando; PASSEY, Amber; CAMPBELL, Selene. Grammar in disguise: the hidden agenda of communicative language teaching textbooks. Revista Electrónica de Lingüística Aplicada, [S. l.], v. 3, n. 1, p. 158–176, 2004. Disponível em: https://matrix.aesla.org.es/RAEL/article/view/415. Acesso em: 5 jul. 2025.