Social Media Marketing 2021: 4 Books in 1 - Social Media for ...
Jeremy Preace
The DNA of strategy execution: Next generation project management ...
Jack Duggal
Nachhaltigkeit im interdisziplinären Kontext: Herausforderung ...
Srh Fernhochschule
A Guide to the Project Management Body of Knowledge
Project Management Institute, Inc.
Rita Mulcahy's PMP® Exam Prep - 7th. Edition
Rita Mulcahy & Laurie Diethelm
Wenn Grenzen keine sind: Management und Bergsteigen
Fredmund Malik