How to Keep Your Cool: An Ancient Guide to Anger Management
Seneca
Art of Leading HR
Graphixpert
Managing Change in Organizations: A Practice Guide
Project Management Institute
The Standard for Program Management
Lexikon der Projektmanagement[..]
Günter Drews & Norbert Hillebrand
Psychologie Und Nachhaltigkeit
Claudia Thea Schmitt & Eva Bamberg