Personalmanagement
Dirk Holtbrügge
Pass the PMP® Exam
Sean Whitaker
Project Management A Systems Approach to Planning, Scheduling, ...
Harold Kerzner
The Encyclopedia of Leadership: A Practical Guide to Popular ...
Murray Hiebert & Bruce Klatt
Success Mindsets: Your Keys to Unlocking Greater Success in ...
Ryan Gottfredson
Mathematics Applied to Engineering and Management
Mangey Ram and S. B. Singh