Spoken language acquisition: a sociolinguistic perspective and educational implications. Signo, [S. l.], v. 26, n. 40, 2019. DOI: 10.17058/signo.v26i40.13816. Disponível em: https://seer.unisc.br/index.php/signo/article/view/13816. Acesso em: 25 ago. 2025.