Metode Point Kriging Untuk Estimasi Sumberdaya Bijih Besi (Fe) Menggunakan Data Assay (3D) Pada Daerah Tanjung Buli Kabupaten Halmahera Timur: Point kriging Method for Estimation Resources of Iron Ore (Fe) Use Assay Data (3D) of Tanjung Buli area, East Halmahera Regency. PROMINE [Internet]. 2018 Aug. 15 [cited 2025 Nov. 8];4(2). Available from: https://journal.ubb.ac.id/index.php/promine/article/view/106