The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials): Drucker, Peter F.: 9780060833459: Amazon.com: Books
Amazon.com: Drucker & Me: What a Texas Entrepenuer Learned From the Father of Modern Management: 9781617952760: Ed Stetzer, Jim Collins, Bob Buford: Books
Innovation and Entrepreneurship: Drucker, Peter F.: 9780060851132: Amazon.com: Books