Sinha, K. M .K., G. S. Jha, K. M. P. Singh, and T. Gouricharan. “Studies on the Cleaning Potentialities of High Ash Non-Coking Coal of Orissa Region”. Journal of Mines, Metals and Fuels 64, no. 9 (October 18, 2022): 446–449. Accessed October 2, 2024. http://informaticsjournals.com/index.php/jmmf/article/view/31588.