Zulkarnain Ladianto, Hadi, Waterman Sulistya Bargawa, and Eddy Winarno. “Pemodelan Dan Estimasi Sumber Daya Nikel Laterit Menggunakan Metode Nearest Neighbour Polygon (NNP)”. Jurnal Sosial Teknologi 1, no. 2 (February 15, 2021): 75–80. Accessed June 25, 2026. https://sostech.greenvest.co.id/index.php/sostech/article/view/22.