Koch, Richard

Beyond the 80/20 Principle: The Science of Success from Game Theory to the Tipping Point

Simplify: How the Best Businesses in the World Succeed

The 80/20 Principle: Achieve More with Less: THE NEW 2022 EDITION OF THE CLASSIC BESTSELLER

The 80/20 Principle: The Secret of Achieving More with Less: Updated 20th anniversary edition of the productivity and business classic

The Star Principle: How it can make you rich

Unreasonable Success and How to Achieve It: Unlocking the Nine Secrets of People Who Changed the World