Noelline Castagnez Ruggiu Books

Pierre Beregovoy en politique

By Alexandre Borrell, Noelline Castagnez Ruggiu, Gilles Morin

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Vingt ans après sa mort, un collectif d'historiens revient sur la carrière politique de Pierre Bérégovoy. Car par-delà le mystère de sa disparition, nous trouvons un homme politique atypique, formé...

Histoire des idees socialistes en France

By Noelline Castagnez Ruggiu

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Le Parti socialiste unifie

By Noelline Castagnez Ruggiu

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Les socialistes francais a l heure de la Liberation

By Noelline Castagnez Ruggiu, Frederic Cepede, Anne Laure Ollivier, Gilles Morin

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Socialistes en Republique

By Noelline Castagnez Ruggiu, Noelline Castagnez

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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.