Jude, Dr.P.Sebastian Vindro, Harrini R, Khreethi P, and krishnalakshmi A mathumitha V. “LI-FI BASED BLIND INDOOR NAVIGATION SYSTEM”. The journal of contemporary issues in business and government 27, no. 2 (April 30, 2021): 5137–5150. Accessed January 5, 2025. https://cibgp.com/au/index.php/1323-6903/article/view/1420.