Perfect Phrases for Performance Reviews
2002
Perfect Phrases for Performance Reviews 2/E
2010
If It Wasn't For The Customers I'd Really LIke This Job: Stop Angry, Hostile Customers COLD While Remaining Professional, Stress Free, Efficient, and Cool As A Cucumber.
2011
Améliorer les performances de votre équipe - 2e éd. NP
2017
How to Manage Performance
2006
Cómo mejorar el rendimiento
2014