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 Manager The 80/20 Manager
The 80/20 Manager
2013
The 80/20 Individual The 80/20 Individual
The 80/20 Individual
2003
O Princípio 80/20 O Princípio 80/20
O Princípio 80/20
2026
80 : 20 na každý deň 80 : 20 na každý deň
80 : 20 na každý deň
2025