AVELAR, Ms. Thaís Fleury; FREITAS, Karlla Patrícia de Souza. The importance of Portuguese as a second language in the education of deaf students. Revista Sinalizar, Goiânia, v. 1, n. 1, p. 12–24, 2016. DOI: 10.5216/rs.v1i1.36688. Disponível em: https://revistas.ufg.br/revsinal/article/view/36688. Acesso em: 5 dec. 2025.