Impressum
Richard Koch
Die Originalausgabe »The 80/20 Principle: The Secret of Achieving More with Less« erschien 1997 bei Nicholas Brealey Publishing Ltd. Copyright © 1997 by Richard Koch.
The new edition of »The 80/20 Principle: The Secret of Achieving More with Less« published by Nicholas Brealey Publishing, London, 2007. This Translation is published by