The Approach of Anisotropic Semivariogram using Ordinary Kriging (OK) Method for The Distribution Pattern of Tin Mineral Associations. PROMINE, [S. l.], v. 8, n. 1, p. 34–39, 2020. DOI: 10.33019/promine.v8i1.1828. Disponível em: https://journal.ubb.ac.id/index.php/promine/article/view/1828. Acesso em: 8 nov. 2025.