Richard Koch

Books
The 80/20 Manager The 80/20 Manager
The 80/20 Manager
2013
Simplify Simplify
Simplify
2016
The 80/20 Principle, Third Edition The 80/20 Principle, Third Edition
The 80/20 Principle, Third Edition
1998
The Star Principle The Star Principle
The Star Principle
2010
80/20 Sales and Marketing 80/20 Sales and Marketing
80/20 Sales and Marketing
2013
O Princípio 80/20 O Princípio 80/20
O Princípio 80/20
2026