People Over Process: Leadership for Agility
Michael K Levine
Governance of Portfolios, Programs, and Projects: A Practice ...
Project Management Institute
Rita Mulcahy's PMP® Exam Prep - 7th. Edition
Rita Mulcahy & Laurie Diethelm
Prozessmanagement: Anleitung zur ständigen Prozessverbesserung
Timo Füermann & Carsten Dammasch
Scrum Mastery (Geoff Watts' Agile Mastery Series)
Geoff Watts
The Theory and Practice of Change Management 4th Edition
John Hayes