A Guide to the Project Management Body of Knowledge
Project Management Institute, Inc.
Zukunft der Marktforschung: Entwicklungschancen in Zeiten von ...
Bernhard Keller & Hans-Werner Klein & Stefan Tuschl
The Theory and Practice of Change Management 6th Ediition
John Hayes
The 6% Club: Unlock the Secret to Achieving Any Goal and Thriving ...
Michelle Rozen
21 Days of Effective Communication
Ian Tuhovsky
The Virtual Leader
Takako Hirata