HOSSAIN, M. A. Navigation Aid for Blind People. International Journal of Innovative Technology and Interdisciplinary Sciences, [S. l.], v. 2, n. 4, p. 223–235, 2019. DOI: 10.15157/IJITIS.2019.2.4.275-289. Disponível em: https://journals.tultech.eu/index.php/ijitis/article/view/36. Acesso em: 19 apr. 2024.