Garber, P. (2007). 25 reproducible activities for customer service excellence. H.R.D.
Chicago Stili AlıntıGarber, Peter.R. 25 Reproducible Activities for Customer Service Excellence. Amherst: H.R.D, 2007.
MLA AlıntıGarber, Peter.R. 25 Reproducible Activities for Customer Service Excellence. H.R.D, 2007.
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