Результаты поиска

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    How to turn customer service into customer sales по Katz, Bernard

    Опубликовано 1988
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    The customer is king! по Harris, R. Lee

    Опубликовано 1991
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    Keep your customers and keep them happy по Fenvessy, Stanley J.

    Опубликовано 1976
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    Design and operation of customer service systems по Bender, Paul S

    Опубликовано 1976