Mule, Kalyani, and Shinde JV. “Smart Approach for Finding Indoor Navigation Using BLE for Visually Impaired Person”. International Journal of Computer Sciences and Engineering 7, no. 8 (August 31, 2019): 88–93. Accessed February 2, 2026. https://ijcse.isroset.org/index.php/j/article/view/7027.