The Email Fortress - Secure your Inbox, Protect Your Privacy
Gavin Phillips
Risikomanagement
Sascha Saßen
Performance Review Toolkit - Tools, Tips, Templates, and More
BusinessManagement Daily
Communications Skills for Project Managers
G. Michael Campbell
PMP® Certification All-In-One for Dummies
Cynthia Snyder Stackpole
Nachhaltige Nicht-Nachhaltigk[..] Warum Die ökologische Transformation ...
Ingolfur Blühdorn & Felix Butzlaff & Michael Deflorian & Daniel Hausknost & Mirijam Mock