@article{carvalho_cavalcanti_silva_2019,  title={Teaching of Portuguese to the deaf: an integrative literature review},  volume={21},  ISSN={1516-1846},  url={https://doi.org/10.1590/1982-0216/20192159818},  DOI={10.1590/1982-0216/20192159818},  number={5},  journal={Revista CEFAC},  publisher={ABRAMO Associação Brasileira de Motricidade Orofacial},  author={Carvalho, Michele Elias de and Cavalcanti, Wanilda Maria Alves and Silva, Josiane Almeida da},  year={2019},  pages={e9818} }