Jude DV, R H, P K, mathumitha V krishnalakshmi A. LI-FI BASED BLIND INDOOR NAVIGATION SYSTEM. CIBG [Internet]. 2021Apr.30 [cited 2025Jan.5];27(2):5137-50. Available from: https://cibgp.com/au/index.php/1323-6903/article/view/1420