Richard Koch

Libros
El principio 80/20 El principio 80/20
El principio 80/20
2015
The 80/20 Principle, Third Edition The 80/20 Principle, Third Edition
The 80/20 Principle, Third Edition
1998
The 80/20 Principle The 80/20 Principle
The 80/20 Principle
2022
Simplify Simplify
Simplify
2016
The 80/20 Manager The 80/20 Manager
The 80/20 Manager
2013
80/20 Daily 80/20 Daily
80/20 Daily
2024

Audiolibros
The 80/20 Principle: The Secret to Success by Achieving More with Less (Unabridged) The 80/20 Principle: The Secret to Success by Achieving More with Less (Unabridged)
The 80/20 Principle: The Secret to Success by Achieving More with Less (Unabridged)
2014
80/20 Beliefs 80/20 Beliefs
80/20 Beliefs
2026
The Star Principle The Star Principle
The Star Principle
2025
80/20 Daily 80/20 Daily
80/20 Daily
2024
80/20 Daily 80/20 Daily
80/20 Daily
2024
Das 80/20-Prinzip : Mehr Erfolg mit weniger Aufwand Das 80/20-Prinzip : Mehr Erfolg mit weniger Aufwand
Das 80/20-Prinzip : Mehr Erfolg mit weniger Aufwand
2019