Haya, Arbi, Wawan Ak Conoras, and Firman Firman. “PENYEBARAN ENDAPAN NIKEL LATERIT PULAU OBI KABUPATEN HALMAHERA SELATAN PROVINSI MALUKU UTARA”. Journal Of Science and Engineering 2, no. 1 (April 30, 2019). Accessed June 10, 2026. https://ejournal.unkhair.ac.id/index.php/josae/article/view/1657.