BEKE, Tibor. Fending off automated mass electronic mail: How to distinguish yourself from a computer. First Monday, [S. l.], v. 3, n. 2, 1998. DOI: 10.5210/fm.v3i2.576. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/576. Acesso em: 29 mar. 2024.