There are many other resources that you might find helpful to learn more about DevOps culture and the DevOps way of thinking. Some of them are as follows:

• The Phoenix Project, by Gene Kim, Kevin Behr, and George Spafford
• Effective DevOps, by Jennifer Davis and Katherine Daniels
• Accelerate, by Nicole Forsgren, Jez Humble and Gene Kim
• Interview with Sam Guckenheimer, available at https://devops.com/11626/
• Microsoft Case Study on their DevOps Journey, available at http://stories.visualstudio.com/devops/
• The 2018 State of DevOps Report, available at http://info.puppet.com/Eficode-Puppet-State-of-DevOps-Report.html
• More information on assessing existing development processes can be found at https://docs.microsoft.com/en-us/learn/modules/assess-your-development-process/index
• More information about different Agile approaches and how to support them using Azure Boards can be found at https://docs.microsoft.com/en-us/learn/modules/choose-an-agile-approach/index