Konsumentenverhalten Im Zeitalter Der Digitalisierung
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essentials (1)
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Management: Das A und O des Handwerks
Fredmund Malik
Business Project Management Model - Optimieren - Innovieren ...
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Improving Employee Engagement
BusinessManagement Daily
Communications Skills for Project Managers
G. Michael Campbell
The AMA Handbook of Project Management
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Leading the Unleadable
Alan Willett