Jang, Jinhyeok, and Youngseok Lee. “Design and Implementation of Huvigation for the Visually Impaired”. International Journal of Engineering & Technology 7, no. 2.33 (June 8, 2018): 124–126. Accessed May 6, 2024. https://sciencepubco.com/index.php/ijet/article/view/13867.