Puspita, Angella Natalia Ghea, Yanto Sudiyanto, Irwan Haryanto, and Quinta Nadya Madra. “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 10, no. 4 (July 1, 2023): 4611–4627. Accessed March 20, 2025. https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/1412.