GALBI, Douglas A. Some economics of personal activity and implications for the digital economy. First Monday, [S. l.], v. 6, n. 7, 2001. DOI: 10.5210/fm.v6i7.870. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/870. Acesso em: 19 apr. 2024.