Drop Raising in Underground Mines: Methods for Underground Mining: A Comprehensive Study on Underground Mining Methods and Equipment. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 16, n. 5, p. 424–429, 2019. Disponível em: https://ignited.in/index.php/jasrae/article/view/10932. Acesso em: 20 jan. 2026.