Michael Oliver

12 Methoden, um angstfrei und effektiv ins Gespräch zu kommen (C...
12 Ways to Start Effective Conversations Without Fear-Disk One
12 Ways to Start Effective Conversations Without Fear-Disk Two
Introducing Your Business & Products CD1
Introducing Your Business & Products CD2
The Magic Question That Turns "No" Into "Yes" #2 - Disk 3
The Magic Question That Turns _No_ Into _Yes #1- Disk 2
Yin & Yanxiety