Claudine Allag Books

Carthage colline de l Odeon

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"Le programme de recherche franco-tunisien (CNRS/INP) co-dirigé par Jean-Pierre Darmon et Mongi Ennaïfer de 1987 à 2000 s'est attaché à enrichir notre connaissance du quartier résidentiel de Cartha...

Chretienne d'Aguerre, comtesse de Sault

By Claudine Allag

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Le complexe aristocratique de Vix

By Claude Mordant, Bruno Chaume, Claudine Allag

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Le sanctuaire du Gue de Sciaux a Antigny Vienne FR

By Isabelle Bertrand, Jean Charles Cedelle, Claudine Allag

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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.