Five-Point Leadership
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PMP® Exam Preparation
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How to Get Hired: The 10 Steps You Must Follow
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50 Leadership Quotes to Inspire You
Joseph Lalonde
Conceptions of Leadership: Enduring Ideas and Emerging Insights
George R. Goethals & Scott T. Allison & Roderick M. Kramer & David M. Messick
Management: Das A und O des Handwerks
Fredmund Malik