MERUGU, S.; GHINEA, G. A Review of Some Assistive Tools and their Limitations for Visually Impaired. Helix - The Scientific Explorer | Peer Reviewed Bimonthly International Journal, [S. l.], v. 12, n. 1, p. 1-9, 2022. Disponível em: https://helixscientific.pub/index.php/home/article/view/382. Acesso em: 24 may. 2022.