1. Baldauf, Corinna. n.d. Retromat. Accessed September 01, 2021. https://retromat.org.
2. Beck, Kent. 2000. Extreme Programming Explained: Embrace Change. Boston: Addison-Wesley.
3. Beck, Kent, Mike Beedle, Arie van Bennekum, Alistair Cockburn, Ward Cunningham, Martin Fowler, James Grenning, et al. 2001. Manifesto for Agile Software Development. https://agilemanifesto.org.
4. Beister, Uwe, and Milica Zeljkovic. 2021. “Hybrid Project Management.” In The Digital Journey of Banking and Insurance, Volume I—Disruption and DNA, edited by Volker Liermann and Claus Stegmann. New York: Palgrave Macmillan.
5. Brechner, Eric. 2015. Agile Project Management with Kanban (Developer Best Practices). US: Microsoft Press.