Lean Manufacturing: Tools, Techniques, and How to Use Them
William M Feld
The SAGE Handbook of Qualitative Research
Denzin & Lincoln
Agile Contracts Primer
Craig Larman & Bas Vodde & Tom Arbogast
Scrum and XP from the Trenches How We Do Scrum - 2nd. Edition
Henrik Kniberg
Risikomanagement
Sascha Saßen
The Book of Five Rings
Miyamoto Musashi