PUSPITA, A. N. G.; SUDIYANTO, Y.; HARYANTO, I.; MADRA, Q. N. Socio-economic baseline, economic feasibility study and processing activities ASGM in Obi Island, South Halmahera District, North Maluku Province, Indonesia. Journal of Degraded and Mining Lands Management, Malang, Indonesia, v. 10, n. 4, p. 4611–4627, 2023. DOI: 10.15243/jdmlm.2023.104.4611. Disponível em: https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/1412. Acesso em: 24 jun. 2024.