Jorge, Ana. “Book Review of Van Der Graaf, S. (2018). ComMODify: User Creativity at the Intersection of Commerce and Community. London: Palgrave Macmillan”. Observatorio (OBS*) (September 1, 2018). Accessed May 24, 2026. https://obs.obercom.pt/index.php/obs/article/view/1399.