| Type |  Book |
| ชื่อเรื่อง | Who's your Gladys? : how to turn even the most difficult customer into your biggest fan / Marilyn Suttle and Lori Jo Vest |
| ผู้แต่ง | Suttle, Marilyn |
| ISBN | 0814414397 |
| | 9780814414392 |
| พิมพลักษณ์ | New York : American Management Association, c2009 |
| รูปเล่ม | xiii, 224 p. ; 24 cm |
| หัวเรื่อง | Customer relations |
| | Customer relations --Case studies [] |
| | Customer services --Case studies [] |
| | Customer services |
| | Interpersonal relations |