GUELLEC, D.; ZUNIGA, M. P. The role of patents in technology markets: Issues pertaining to data collection and analysis. First Monday, [S. l.], v. 12, n. 6, 2007. DOI: 10.5210/fm.v12i6.1903. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/1903. Acesso em: 4 dec. 2022.