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The Daily Drucker: 366 Days of Insight and Motivation for Getting the Right Things Done: Drucker, Peter F.: Amazon.com: Books
Classic Drucker: Wisdom from Peter Drucker from the Pages of Harvard Business Review: Drucker, Peter F.: 9781422101681: Amazon.com: Books
Amazon.com: The Essential Drucker: The Best of Sixty Years of Peter Drucker's Essential Writings on Management (Collins Business Essentials): 9780061345012: Drucker, Peter F.: Books