MORGAN, E. L. Ethical and economic issues surrounding freely available images found on the Web. First Monday, [S. l.], v. 11, n. 7, 2006. DOI: 10.5210/fm.v11i7.1372. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/1372. Acesso em: 24 sep. 2021.