NANDINI; AMBIKA; AYODHYARANI; BHAGYASHREE; ROHINI D. SMART DRAINAGE MANHOLE MAINTENANCE SYSTEM USING IOT. International Educational Journal of Science and Engineering, [S. l.], v. 9, n. 05, p. 279–282, 2026. Disponível em: https://iejse.com/journals/index.php/iejse/article/view/330. Acesso em: 22 jul. 2026.