Gudrun Quenzel Books

Developmental Tasks in Adolescence

By Gudrun Quenzel, Klaus Hurrelmann

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Developmental Tasks in Adolescence

By Gudrun Quenzel, Klaus Hurrelmann

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Entwicklungsfaktor Kultur

By Gudrun Quenzel

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Bildungsverlierer

By Gudrun Quenzel, Klaus Hurrelmann

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Konstruktionen von Europa

By Gudrun Quenzel

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Die Arbeit untersucht die Identitätspolitik der EU anhand ausgewählter Felder europäischer Kulturpolitik. Denn im Spannungsfeld zwischen nationalen und supranationalen Identitätsangeboten kristalli...

Entwicklungsfaktor Kultur

By Gudrun Quenzel

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Entwicklungsfaktor Kultur

By Gudrun Quenzel

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Bildung und Partizipation

By Elisa Lehnerer, Julia Ha, Katharina Meusburger, Martina Ott, Alessandro Renna

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.