Classification of Khoemacau (Zone 5) Carbon Rich Rockmass Using Q and Rmr Systems to Recommend Support for Ore Drives . International Journal of Environmental Sciences, [S. l.], p. 2182–2192, 2025. DOI: 10.64252/as55av67. Disponível em: https://theaspd.com/index.php/ijes/article/view/7210.. Acesso em: 6 aug. 2026.