Dewangan, P. K., M. Pradhan, and Prince Kumar. “Geotechnical, Environmental and Other Issues Pertaining to Fly Ash Disposal in Opencast Mine Voids”. Journal of Mines, Metals and Fuels 68, no. 1 (January 1, 2020): 25–32. Accessed April 28, 2024. https://informaticsjournals.com/index.php/jmmf/article/view/26927.