کتاب های Graham Roberts Phelps

Customer Relationship Management: How to Turn a Good Business into a Great One!
Graham Roberts-Phelps, 2001
Companies Don't Succeed People Do!: Ideas to Create Profits Through People
Graham Roberts-Phelps, 2001
Customer Relationship Management: How to Turn a Good Business into a Great One
Graham Roberts-Phelps, 2001
Customer Relationship Management: How to Turn a Good Business into a Great One
Graham Roberts-Phelps, 2001
Telephone Tactics
Graham Roberts-Phelps, 2001
The Concise Guide to Telephone Tactics
Graham Roberts-Phelps, 2004