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Ralf Wunderlich
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Customer Relationship Management Im Handel
Dieter Ahlert, Jörg Becker, Ralf Knackstedt, Maren Wunderlich · Springer
447 sayfa · 2002
Customer relations, management
Customer Relationship Management im Handel
Dieter Ahlert, J\xf6rg Becker, Ralf Knackstedt, Maren Wunderlich · Springer
467 sayfa · 2012
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