Smart Ultrasonic Glasses for Blind People using Piezoelectric Sensors. Int J Sci Res Sci & Technol [Internet]. 2025 Apr. 12 [cited 2025 Jul. 29];12(2):800-12. Available from: https://www.ijsrst.technoscienceacademy.com/index.php/home/article/view/IJSRST251222623