1. BEPA (Bureau of European Policy Advisors). (2010). Empowering people, driving change: Social innovation in the European Union. Brussels: European Commission.
2. Chesbrough, H. W. (2003). Open Innovation: The new imperative for creating and profiting from technology. Boston: Harvard Business School Press.
3. European Commission. (2013). Social innovation research in Europe: Approaches, trends and future directions. Brussels: Directorate-General for Research.
4. Evers, A., Ewert, B., & Brandsen, T. (2014). Social innovations for social cohesion: Transnational patterns and approaches from 20 European cities, WILCO project.
5. Johnson, S. (2010). Where good ideas come from. The natural history of innovation. New York: Penguin Books.