2021. Pemetaan Sebaran Kadar Besi Pada Endapan Laterit Nikel Menggunakan Metode Interpolasi Indikator Kriging dan Ordinary Kriging: Mapping The Distribution of Iron Content in Nickel Laterite Deposits Using Indicator Kriging and Ordinary Kriging Interpolation Method. PROMINE. 9, 1 (Sep. 2021), 29–36. DOI:https://doi.org/10.33019/promine.v9i1.2316.