ESPINOSA, N.; CUERVAS-MONS, J. Geochemical diagnosis and geological-structural relationship for the delimitation of the Machala’s metallogenic belt between 3°20’- 4°00’S (Ecuador). GEOGACETA, Salamanca, ES, v. 69, p. 39–42, 2021. DOI: 10.55407/geogaceta102379. Disponível em: https://recyt.fecyt.es/index.php/geogaceta/article/view/102379. Acesso em: 1 jun. 2024.