Studi Identifikasi Sebaran Ion Logam Pb, Cu, As dan Cd pada Air dan Sedimen di Perairan Bontang Kalimantan Timur Menggunakan Metode Kriging (Ordinary Kriging). GEOSAINS KUTAI BASIN, [S. l.], v. 6, n. 1, p. 34–39, 2023. DOI: 10.30872/geofisunmul.v6i1.1001. Disponível em: https://jurnal.fmipa.unmul.ac.id/index.php/geofis/article/view/1001. Acesso em: 19 sep. 2025.