Visionary Assistance: Integrating Ultrasonic and GPS Technologies for the Visually Impaired. International Journal of Innovative Research in Technology and Science, [S. l.], v. 12, n. 2, p. 410–415, 2024. Disponível em: https://ijirts.org/index.php/ijirts/article/view/63.. Acesso em: 3 jul. 2024.