Jack Griffin

ブック
How to Say It® at Work How to Say It® at Work
How to Say It® at Work
1998年
How to Say it: Creating Complete Customer Satisfaction How to Say it: Creating Complete Customer Satisfaction
How to Say it: Creating Complete Customer Satisfaction
2013年
How to Say It: Be Indispensable at Work How to Say It: Be Indispensable at Work
How to Say It: Be Indispensable at Work
2011年
How To Say It for First-Time Managers How To Say It for First-Time Managers
How To Say It for First-Time Managers
2010年