References
[1] Norman Kerth. 2001. Project Retrospectives: A Handbook for Team Reviews. New York: Dorset House Publishing Co Inc.
[2] Manifesto for Agile Software Development. http://agilemanifesto.org.
[3] Steve Denning. 2010. The Leader’s Guide to Radical Management: Reinventing the Workplace for the 21st Century. San Francisco, CA: Jossey-Bass.
[4] Sakichi Toyoda. https://en.wikipedia.org/wiki/Sakichi_Toyoda.
[5] Esther Derby and Diana Larsen. 2006. Agile Retrospectives: Making Good Teams Great. Farnham, Surrey UK/: O’Reilly Ltd.
[6] Retromat. https://plans-for-retrospectives.com.
[7] Website of Corinna Baldauf. http://finding-marbles.com/
[8] Retrospective Wiki. http://retrospectivewiki.org.
[9] Tasty Cupcakes. http://tastycupcakes.org/
[10] Gray et al. 2010. Gamestorming: A Playbook for Innovators, Rulebreakers, and Changemakers. Sebastopol, CA: O’Reilly.
[11] Pygmalion Effect. https://en.wikipedia.org/wiki/Pygmalion_effect.
[12] Ted M. Young. The Alternative Prime Directive. http://jitterted.com/2013/02/11/another-alternative-to-the-retrospective-prime-directive/