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Industriefinanzie[..] in Deutschland und Frankreich: Einfluß ...
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How to Influence Anyone, Anywhere, Every Time: The Art and Science ...
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How to Work with (Almost) Anyone
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PMP® Examination Practice Questions
Sean Whitaker
Leading the Unleadable
Alan Willett
Communications Skills for Project Managers
G. Michael Campbell
The AMA Handbook of Project Management
Jeannette Cabanis-Brewin & Paul C. Dinsmore