The Use Of Geographic Information Systems For The Regency’s Ngawi Mining Area. PROMINE, [S. l.], v. 6, n. 2, p. 24–30, 2018. DOI: 10.33019/promine.v6i2.781. Disponível em: https://www.journal.ubb.ac.id/index.php/promine/article/view/781. Acesso em: 19 jun. 2026.