Smart Ultrasonic Glasses for Blind People using Piezoelectric Sensors. International Journal of Scientific Research in Science and Technology, [S. l.], v. 12, n. 2, p. 800–812, 2025. DOI: 10.32628/IJSRST251222623. Disponível em: https://www.ijsrst.technoscienceacademy.com/index.php/home/article/view/IJSRST251222623. Acesso em: 29 jul. 2025.