GERHART, S. Do Web search engines suppress controversy?. First Monday, [S. l.], v. 9, n. 1, 2004. DOI: 10.5210/fm.v9i1.1111. Disponível em: https://journals.uic.edu/ojs/index.php/fm/article/view/1111. Acesso em: 24 jan. 2022.