BHATTACHARYA, J. Can Ordinary Earth be Considered as a Minor Mineral without any Qualification? Is asking Royalty for ordinary earth Justified? (Part-1). Journal of Mines, Metals and Fuels, [S. l.], v. 70, n. 5, p. 228–232, 2022. DOI: 10.18311/jmmf/2022/30335. Disponível em: https://www.informaticsjournals.com/index.php/jmmf/article/view/30335. Acesso em: 2 may. 2024.