Fatubun, Jimmy E. A. Fatubun, and Yulius G. Pangkung. 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):44-52. https://doi.org/10.56139/intan.v1i1.10.