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Author

Nils Hafner

3 books found

Cover of Kundendialog-Management

Kundendialog-Management

Nils Hafner, Sophie Hundertmark · First published 2024

Cover of Marketing

Marketing

Nils Hafner, Werner Halver, André von Zobeltitz, Axel Lippold, Elina Petersone · First published 2021

Cover of Servicequalität des Telefonmarketing

Servicequalität des Telefonmarketing

Nils Hafner · First published 2001