References
- Cavagnaro, E., & Curiel, G. (2012). The three levels of sustainability. Sheffield: Greenleaf.
- Diekmann, A. (2009). Spieltheorie: Einführung, Beispiele, Experimente. 3rd ed. Hamburg: Rowohlt Verlag.
- The Economist (2015). Nash’s Nobel prize. http://www.economist.com/blogs/freeexchange/2015/05/archives
- Nongard, R. K., & Hazlerig, J. (2014). Speak Ericksonian: Mastering the hypnotic methods of Milton Erickson. Tulsa, OK: PeachTree Professional Education.