Fatubun JEAF, Pangkung YG. 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 . Program Studi S1 Teknik Pertambangan Universitas Papua [Internet]. 2022 Feb. 26 [cited 2026 Apr. 4];1(1):44-52. Available from: https://www.jurnal-intan.ac.id/index.php/intan/article/view/10