Guy Lochard Books

Evenements mondiaux regards nationaux

By Jocelyne Arquembourg, Guy Lochard, Dominique Wolton, Arnaud Mercier

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Images de l etranger

By Guy Lochard, Marie Dominique Popelard

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Dans les sociétés de l'hémisphère Nord, on assiste à un brouillage des frontières de l'altérité. Le développement de mouvements d'émigration et de diaspora contribue à une redéfinition des identité...

Apprendre avec l'information televisee

By Guy Lochard

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L information televisee

By Guy Lochard

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La Comunicacion Mediatica

By Guy Lochard

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La communication mediatique

By Guy Lochard, Henri Boyer

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Aux limites...

By Guy Lochard

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La television une machine a communiquer

By Guy Lochard

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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.