SHARAFF, M.; VAJPAIA, S. K.; VAJPAI, K. Distribution of Iron Oxide in Different Size Fractions of Kusmunda Coals, Korba Coalfield. Journal of Mines, Metals and Fuels, [S. l.], v. 65, n. 9, p. 509–514, 2017. DOI: 10.18311/jmmf/2017/26979. Disponível em: https://informaticsjournals.com/index.php/jmmf/article/view/26979. Acesso em: 26 apr. 2024.