PMP® Exam Prep - PMP® PMBOK® Audio Crash Course Study Guide ...
Ralph Cybulski
21 Days of Effective Communication
Ian Tuhovsky
The Standard for Organizational Project Management (OPM)
Project Management Institute
Konfliktmanagement, Team Work Engagement und psychologische ...
Michelle Zumsteg
Brand Identity Essentials, Revised and Expanded: 100 Principles ...
Kevin Budelmann & Yang Kim
Kommunikation von Nachhaltigkeit in Fernsehen und Web 2.0
Caroline Glathe