Helmut Willke Books

Die Sozialwissenschaften reden ganz selbstverständlich von Global Governance, obwohl es (noch) keinen Weltstaat und auch keine Weltregierung gibt. Dennoch hat sich eine Weltgesellschaft in nuce her...

Komplexe Freiheit

By Helmut Willke

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Global Governance

By Helmut Willke

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Systemisches Wissensmanagement.

By Torsten Strulik, Oliver Vopel, Konstanze Piel, Carsten Kruck, Helmut Willke, Susanne Mingers

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Systemtheorie III

By Helmut Willke

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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.