BhaskarPhani Ram, G, Dr L. Koteswara Rao, Eliyaz Mahammad, and A Bhanuchander. “Coal Mine Disaster Management Robot Using IoT Technology”. International Journal of Engineering & Technology 7, no. 3 (June 26, 2018): 1204–1207. Accessed May 6, 2024. https://sciencepubco.com/index.php/ijet/article/view/12294.