Claude Annie Duplat Books

Le point sur le nouveau statut d'auto-entreprise, plus souple et qui permet à un vaste public d'avoir une 2e activité, de créer son emploi ou de tester un projet. L'auteure analyse les bases légale...

Analyser et maitriser la situation financiere de son entreprise

By Claude Annie Duplat

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Entreprise face a son environnement economique

By Claude Annie Duplat

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Bourse demystifiee.

By Claude Annie Duplat

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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.