Communications Skills for Project Managers
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PMP® Exam Prep: Accelerated Learning to Pass the Project Management ...
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Project Management: A Systems Approach to Planning, Scheduling, ...
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Five Insider Secrets to Leadership That Delivers
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Software-Entwicklung für dynamische Portfolioallokation und ...
Christoph Impekoven
The SPEED of Trust: The One Thing That Changes Everything
Stephen R. Covey & Rebecca R. Merrill