BORGES, Humberto; PIRES, Acrisio. The emergence of Brazilian Portuguese: Earlier evidence for the development of a partial null subject grammar. Proceedings of the Linguistic Society of America, [S. l.], v. 2, p. 31:1–15, 2017. DOI: 10.3765/plsa.v2i0.4096. Disponível em: https://journals.linguisticsociety.org/proceedings/index.php/PLSA/article/view/4096.. Acesso em: 17 apr. 2026.