Dorthi, Kumar, and K Ram Chandar. “Slope Stability Monitoring in Opencast Coal Mine Based on Wireless Data Acquisition System-a Case Study”. International Journal of Engineering & Technology 7, no. 2.21 (April 20, 2018): 24–28. Accessed May 7, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/11829.