FIRMANSYAH, D.; AGUSTAWIJAYA, D. S.; MURTIADI, S. Optimisation of rock mass quality parameters for the initial geotechnical investigation of a vertical shaft: Gosowong Gold Mine Project Case Study - North Halmahera. RESEARCH REVIEW International Journal of Multidisciplinary, [S. l.], v. 8, n. 11, p. 20–26, 2023. DOI: 10.31305/rrijm.2023.v08.n11.004. Disponível em: http://www.rrjournals.com/index.php/rrijm/article/view/918. Acesso em: 16 jan. 2025.