UNDERGROUND MINING METHOD SELECTION ACCORDING TO NICHOLAS METHODOLOGY. Natural Resources and Technology, [S. l.], v. 16, n. 1, p. 5–11, 2022. DOI: 10.46763/NRT22161005m. Disponível em: https://js.ugd.edu.mk/index.php/NRT/article/view/4980. Acesso em: 7 oct. 2025.