da Silveira, Sérgio Amadeu. “Cyberculture, Commons and Informational Feudalism”. Revista FAMECOS 15, no. 37 (January 27, 2009): 85–90. Accessed May 20, 2024. https://revistaseletronicas.pucrs.br/ojs/index.php/revistafamecos/article/view/4804.