The Professional Scrum Master (PSM I) Guide
Fred Heath
Moderne Marketing-Kommuni[..] Grundlagen, Prozess und Management ...
Jörg Tropp
Thoughts to Build On: Thought Power for Successful Living!
M. R. Kopmeyer
5 Ways to Team Build - What Does it Take to Build a Strong, ...
Joseph Lalonde
Project Management 2.0: Leveraging Tools, Distributed Collaboration, ...
Harold Kerzner
The Confident Mind: A Battle-Tested Guide to Unshakable Performance
Dr. Nate Zinsser