Sunitha, M, K Amarender, Dr Purushotham Nayak, and S Ayesha. “MANHOLE MANAGEMENT SYSTEM”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 11, no. 3 (December 15, 2020): 2662–2667. Accessed July 26, 2025. https://turcomat.org/index.php/turkbilmat/article/view/14468.