Marcel Rufo Books

Elever bebe

By Christine Schilte

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Comprendre l ado

By Christine Schilte, Marcel Rufo

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Marcel Rufo et Christine Schilte apportent leurs réponses de spécialistes sur cette période délicate où votre enfant forge sa future personnalité d'adulte. Si vous ne savez plus comment communiquer...

Elever bebe

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Elever bebe

By Christine Schilte

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Elever bebe

By Marcel Rufo

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Elever bebe

By Marcel Rufo

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Elever bebe

By Christine Schilte Marcel Rufo

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Elever bebe

By N A

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Elever son enfant

By Marcel Rufo

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Un guide clair et rassurant qui s'adresse aux parents d'aujourd'hui pour aider leur enfant à bien grandir et faire de lui un enfant épanoui.

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.