2017 - Human Sigma Managing the Employeecustomer Encounter (Audio CD) → Hardcover ISBN-13: 9781531865764 ISBN-10: 1531865763 Genre: Business & Money ? 2007 - Human Sigma Managing the Employeecustomer Encounter (Hardcover) → Audio CD ISBN-13: 9781595620163 ISBN-10: 1595620168 Genre: Business & Money 1 |