Richard Koch

Books
The 80/20 Manager The 80/20 Manager
The 80/20 Manager
2013
The 80/20 Principle The 80/20 Principle
The 80/20 Principle
2022
The 80/20 Principle and 92 Other Powerful Laws of Nature The 80/20 Principle and 92 Other Powerful Laws of Nature
The 80/20 Principle and 92 Other Powerful Laws of Nature
2013
Simplify Simplify
Simplify
2016
80/20 Your Life 80/20 Your Life
80/20 Your Life
2020
The 80/20 Principle, Third Edition The 80/20 Principle, Third Edition
The 80/20 Principle, Third Edition
1998