SAXENA, P. A Note on Blue Hearing System (BHS) to Develop Speech in Deaf and Mute People. Recent Research in Science and Technology, [S. l.], v. 2, n. 9, 2010. Disponível em: https://updatepublishing.com/journal/index.php/rrst/article/view/517. Acesso em: 3 may. 2024.