Marie Christine Zelem Books

Politiques de maitrise de la demande d energie et resistances au changement

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L'accélération du changement climatique fonctionne comme un signal d'alarme et interroge l'économie de pillage dans laquelle l'homme s'est installé. Les politiques de Maîtrise de la Demande d'Energ...

Mondes paysans

By Marie Christine Zelem

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L education au developpement durable

By Odile Blanchard, Didier Lecomte, Marie Christine Zelem

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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.