SENGUPTA, A. Auctions of Coal Mining Leases:Did we Miss Some Points. Journal of Mines, Metals and Fuels, [S. l.], v. 68, n. 6, p. 182–183, 2020. DOI: 10.18311/jmmf/2020/26897. Disponível em: https://informaticsjournals.com/index.php/jmmf/article/view/26897. Acesso em: 15 apr. 2024.