Jude, Dr.P.Sebastian Vindro, Harrini R, Khreethi P, and krishnalakshmi A mathumitha V. 2021. “LI-FI BASED BLIND INDOOR NAVIGATION SYSTEM”. The Journal of Contemporary Issues in Business and Government 27 (2):5137-50. https://cibgp.com/au/index.php/1323-6903/article/view/1420.