Colombo, George.
Killer customer care : how to provide five star customer service that will double and triple your profits / George Colombo. - Entrepreneur Press 2003.
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Customer services.
HF5415.5 / Col.
Killer customer care : how to provide five star customer service that will double and triple your profits / George Colombo. - Entrepreneur Press 2003.
12345
Customer services.
HF5415.5 / Col.