Books
The Complete Book of Perfect Phrases for High-Performing Sales Professionals
2009
Perfect Phrases for Customer Service: Hundreds of Tools, Techniques, and Scripts for Handling Any Situation
2005
Améliorer les performances de votre équipe - 2e éd. NP
2017
How to Manage Performance
2006
Cómo mejorar el rendimiento
2014
The Uncommon Art And Science Of Giving Feedback
2013