Rudiger Hahn Books

Rundfunkrecht.

By Thomas Vesting, Rudiger Hahn, Annette Schumacher

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Die gesellschaftliche Verantwortung des Unternehmens

By Henrik Janzen, Rudiger Hahn, Dirk Matten

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Multinationale Unternehmen und die Base of the Pyramid

By Rudiger Hahn

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Inhaltsbeschreibung: Der Ansatz „Base of the Pyramid“ thematisiert innovative Geschäftsmodelle, welche unternehmerische Chancen bei den „Ärmsten der Armen“ mit dem Ziel langfristiger Armutsbekämpfu...

Sustainability Management

By Rudiger Hahn

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Multinationale Unternehmen und Die Base of the Pyramid

By Rudiger Hahn, Prof. Gerd Rainer Wagner

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Behinderungsmissbrauche marktbeherrschender Unternehmen

By Rudiger Hahn

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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.