FERREIRA, Marília de Nazaré; FACUNDES, Sidney da Silva. Research on endangered Brazilian indigenous languages: paths and walks. Signótica, Goiânia, v. 37, p. e80062, 2025. DOI: 10.5216/sig.v37.80062. Disponível em: https://revistas.ufg.br/sig/article/view/80062. Acesso em: 5 dec. 2025.