Handlungsstabilis[..] in Unternehmen: Vertrauen Versus Misstrauen ...
Alexandra Huth
Focus: The Hidden Driver of Excellence
Daniel Goleman
Words That Hurt, Words That Heal, Revised Edition
Joseph Telushkin
Scrum Project Management
Kim H. Pries & Jon M. Quigley
Great books of the Western World - Volume 31
Encyclopaedia Britannica, Inc.
The Usborne Picture Dictionary in German
Angela Wilkes