D.N. Sharma, Ziaullah Shareef, and K.K. Sharma. “Soil and Rock Mechanics Investigations for the Assessment of Strata Behaviour of an Opencast Coal Mine ”. Global Journal of Earth Science and Engineering 2, no. 1 (June 30, 2015): 7–13. Accessed March 12, 2025. https://avantipublisher.com/index.php/gjese/article/view/1014.