ANALISA SAMPEL KADAR BIJIH EMAS DARI UNDERFLOW COUNTER CURRENT DECANTATION 7 DAN 14 DENGAN METODE FIRE ASSAY DI PT. NUSA HALMAHERA MINERALS. EJD. 2023;16(1):62-71. Accessed November 6, 2025. https://jurnal.ummu.ac.id/index.php/dintek/article/view/1546