Scrum and XP from theTrenches. How we do Scrum
Henrik Kniberg
How to Work with (Almost) Anyone
Michael Bungay Stanier
The AMA Handbook of Project Management
Jeannette Cabanis-Brewin & Paul C. Dinsmore
Kanban and Scrum - Making the Most of Both
Henrik Kniberg & Mattias Skarin
The Flow of Organizational Culture: New Thinking and Theory ...
Jim MacQueen
Social Research Methods: Qualitative and Quantitative Approaches
William Lawrence Neuman