Voice Based Sign Language Detection For Dumb People Communication Using Machine Learning. Journal of Pharmaceutical Negative Results, [S. l.], p. 22–30, 2023. DOI: 10.47750/pnr.2023.14.02.004. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/6388.. Acesso em: 9 jun. 2026.