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Competencies at Work
Enrique Washington & Bruce Griffiths
PMP® Examination Practice Questions
Sean Whitaker
Managing Projects With PMBOK® 7: Connecting New Principles With ...
James Marion & Tracey Richardson
Let It Settle: Daily Habits to Move You From Chaos to Calm
Michael Galyon
Corporate Social Responsibility und nachhaltige Entwicklung: ...
Jan Jonker & Wolfgang Stark & Stefan Tewes