WANG, C.-P.; CHAN, K. Analyzing the taxonomy of Internet business models using graphs. First Monday, [S. l.], v. 8, n. 6, 2003. DOI: 10.5210/fm.v8i6.1058. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/1058. Acesso em: 4 feb. 2023.