Rossi, Cristina, and Andrea Bonaccorsi. “Intrinsic Vs. Extrinsic Incentives in profit–oriented Firms Supplying Open Source Products and Services”. First Monday 10, no. 5 (May 2, 2005). Accessed March 28, 2024. https://firstmonday.org/ojs/index.php/fm/article/view/1242.