Speak With Confidence: Overcome Self-Doubt, Communicate Clearly, ...
Mike Acker
Time Management - You're Doing It Wrong!
Mike Song
Warum Nachhaltigkeit Nicht Nachhaltig Ist
Klaus-Dieter Hupke
Women in Business: The Changing Face of Leadership
Patricia Werhane & Margaret Posig & Lisa Gundry & Laurel Ofstein & Elizabeth Powell
Die Malik ManagementSysteme - Grundlagen und Anwendung
Fredmund Malik
The Theory and Practice of Change Management 6th Ediition
John Hayes