Scrum for Dummies
Mark C. Layton & Steven J. Ostermiller & Dean J. Kynaston
The Scrum Culture: Introducing Agile Methods in Organizations
Dominik Maximini
What Are SMART Goals and How to Set Them
WikiJob
An SMB guid to getting started in DevOps
GitLab
PMI-RMP (Risk Management Professional)
Carl Pritchard
The Standard for Organizational Project Management (OPM)
Project Management Institute