PMP: Project Management Professional Exam Study Guide
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Lexikon der Projektmanagement[..]
Günter Drews & Norbert Hillebrand
The Heart of Change: Real-Life Stories of How People Change ...
John P. Kotter & Dan S. Cohen
Statistical Quality Control Methods
Irving W. Burr
Creating a Culture of Continuous Improvement
KaiNexus
Four Thousand Weeks: Time Management for Mortals
Oliver Burkeman