Think and Grow Rich!: The Original Version, Restored and Revised™
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Strategic Management: Process, Content, and Implementation
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The Standard for Organizational Project Management (OPM)
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Management: Das A und O des Handwerks
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Projekte zur Mediengestaltung: Briefing, Projektmanagement, ...
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Qualitative Inhaltsanalyse: Grundlagen und Techniken
Philipp Mayring