Bilingual Education at the Federal University of Ceará: the student’s profile of the Sign Language Course (Letras Libras). Research, Society and Development, [S. l.], v. 9, n. 7, p. e233973891, 2020. DOI: 10.33448/rsd-v9i7.3891. Disponível em: https://www.rsdjournal.org/rsd/article/view/3891. Acesso em: 5 dec. 2025.