PMP Project Management Professional Practice Tests
Kim Heldman & Vanina Mangano
Der Change Manager: Sich selbst und andere verändern
Klaus Doppler
Quick Guide to Lead Generation - 8 tips on using social media ...
MarketingSherpa
The DevOps Engineer's Career Guide: A Handbook for Entry- Level ...
Stephen Fleming
Project Management for Business, Engineering, and Technology: ...
John M. Nicholas & Herman Steyn
The Book of Five Rings
Miyamoto Musashi