Fatubun, J.E.A.F. and Pangkung, Y.G. 2022. ANALYSIS ON SAMPLING AND SAMPLE PREPARATION BASED ON NICKEL CONTENT TEST RESULTS, PT. HALTIM MINING, EAST HALMAHERA REGENCY, NORTH MALUKU PROVINCE: ANALISIS PENGAMBILAN DAN PREPARASI SAMPEL BERDASARKAN HASIL PENGUJIAN KADAR NIKEL PADA PT. HALTIM MINING KABUPATEN . INTAN Jurnal Penelitian Tambang. 1, 1 (Feb. 2022), 44–52. DOI:https://doi.org/10.56139/intan.v1i1.10.