Ursula Holtgrewe Books

Telekom, wie machen die das?

By Doris Blutner

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Hard work in new jobs

By Ursula Holtgrewe

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"Hard Work in New Jobs investigates hard work and new and expanding jobs in Europe. The interrelationship between the labour market and welfare regimes, quality of work and quality of life is playe...

Hard Work in New Jobs

By V. Kirov, U. Holtgrewe, M Ramioul

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Revival Re Organising Service Work

By Karen A. Shire, Ursula Holtgrewe, Christian Kerst

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Re Organising Service Work Call Centres in Germany and Britain

By Karen A. Shire, Ursula Holtgrewe, Christian Kerst

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Re Organising Service Work

By Karen A. Shire, Ursula Holtgrewe, Christian Kerst

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Re Organising Service Work

By Karen A. Shire, Ursula Holtgrewe, Christian Kerst

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Flexible Menschen in flexiblen Organisationen

By Ursula Holtgrewe

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Schreib-Dienst

By Ursula Holtgrewe

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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.