S Saravanakumar, and S K Pavan Prabhu. “Smart Horn Control System: A Geo-Fenced, IoT-Based Solution for Noise Pollution Reduction in Sensitive Zones”. International Journal of Scientific Research in Computer Science, Engineering and Information Technology 11, no. 4 (July 21, 2025): 232–236. Accessed August 1, 2025. https://www.ijsrcseit.com/index.php/home/article/view/CSEIT2511165.