The Five Most Important Questions Self Assessment Tool: Participant Workbook: Drucker, Peter F., Frances Hesselbein Leadership Institute: 9780470531211: Amazon.com: Books
Peter Drucker on the Profession of Management (Harvard Business Review Book): Drucker, Peter F.: 9781591393221: Amazon.com: Books
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Amazon.com: The World According to Peter Drucker: 9780767903028: Beatty, Jack: Books