Change Management: Veränderungsprozesse erfolgreich gestalten ...
Kerstin Stolzenberg & Krischan Heberle
The Negativity Fast: Proven Techniques to Increase Positivity, ...
Anthony Iannarino
Agile Practice Guide
Project Management Institute
Qualitative Research Design: An Interactive Approach: An Interactive ...
Joseph A. Maxwell
Valuing Agile: The Financial Management of Agile Projects
Alan Moran & Great Britain: Stationery Office
Leadership: Quotations From the World's Greatest Motivators
Robert A. Fitton