Science of Success
Napoleon Hill
Educational Research: Planning, Conducting, and Evaluating Quantitative ...
John W. Creswell
Learning Agile
Andrew Stellman
Effective Project Management: Traditional, Adaptive, Extreme
Robert K. Wysocki
Einfach Lernen! Risikomanagement
Werner Gleißner & Thomas Berger
Scrum: a Breathtakingly Brief and Agile Introduction
Chris Sims & Hillary Louise Johnson