KUBESA, J.; ČERNÝ, I. A Study of the Influence of Economic Factors on World Silver Production. GeoScience Engineering, [S. l.], v. 69, n. 1, p. 69–81, 2023. DOI: 10.35180/gse-2023-0090. Disponível em: https://geoscience.cz/ojs/index.php/GSE/article/view/402. Acesso em: 30 apr. 2026.