PIRES DE OLIVEIRA, Roberta. From roots to DPs, Brazilian Portuguese and English: a model theoretical approach to language variation. Revista Letras, [S. l.], v. 103, n. 1, 2021. DOI: 10.5380/rel.v103i1.80388. Disponível em: https://revistas.ufpr.br/letras/article/view/80388. Acesso em: 17 mar. 2026.