Nandini, Ambika, Ayodhyarani, Bhagyashree, and Rohini D. “SMART DRAINAGE MANHOLE MAINTENANCE SYSTEM USING IOT”. International Educational Journal of Science and Engineering 9, no. 05 (June 1, 2026): 279–282. Accessed July 22, 2026. https://iejse.com/journals/index.php/iejse/article/view/330.