Er. Vijay Kumar, Er. Vipin Gautam, A. N. S. E. R. R. K. (2016) “Safety of Underground Coal Mine Using Artificial Intelligence and Wireless Sensor Network”, International Journal of Engineering and Computer Science. india, 5(11). Available at: https://ijecs.in/index.php/ijecs/article/view/3034 (Accessed: 22 July 2024).