Fahad, M Shamiul, M Muwyid Uzzaman Khan, and K Siddique-e Rabbani. “A Novel Mobility Aid for the Blind through Ultrasound Pulsed Echo Modulated Nerve Stimulation”. Bangladesh Journal of Medical Physics 4, no. 1 (April 20, 2013): 87–94. Accessed August 17, 2024. https://banglajol.info/index.php/BJMP/article/view/14692.