HAMMOND, R. M. Fossilization in second language acquisition: some experimental data from the second language classroom. Lenguas Modernas, [S. l.], n. 15, p. 105–113, 2017. Disponível em: https://lenguasmodernas.uchile.cl/index.php/LM/article/view/45841. Acesso em: 28 abr. 2024.