KLASIFIKASI SUMBERDAYA ENDAPAN NIKEL LATERIT DAERAH PULAU OBI, HALMAHERA SELATAN DENGAN PENDEKATAN RELATIVE KRIGING STANDARD DEVIATION (RKSD): Fakultas Teknik Universitas Muhammadiyah Maluku Utara Ternate. DINTEK, [S. l.], v. 10, n. 1, p. 71–79, 2017. Disponível em: https://jurnal.ummu.ac.id/index.php/dintek/article/view/46. Acesso em: 12 nov. 2025.