HAYA, Arbi; CONORAS, Wawan Ak; FIRMAN, Firman. PENYEBARAN ENDAPAN NIKEL LATERIT PULAU OBI KABUPATEN HALMAHERA SELATAN PROVINSI MALUKU UTARA. Journal Of Science and Engineering, [S. l.], v. 2, n. 1, 2019. DOI: 10.33387/josae.v2i1.1657. Disponível em: https://ejournal.unkhair.ac.id/index.php/josae/article/view/1657. Acesso em: 10 jun. 2026.