Richard Koch

7 Book

Simplify

How the Best Businesses in the World Succeed
Richard Koch and Greg Lockwood
Entrepreneur Press, 2016
8 Book
Richard Koch
Nicholas Brealey Publishing, 2014
7 Buch

Das 80/20 Prinzip

Mehr Erfolg mit weniger Aufwand
Richard Koch
Campus, 2004
7 Book

Living the 80/20 Way

Work Less, Worry Less, Succeed More, Enjoy More
Richard Koch
Nicholas Brealey Publishing, 2005
7 Book

The 80/20 Individual

The Nine Essentials for 80/20 Success at Work
Richard Koch
Nicholas Brealey Publishing, 2003