Dominique Souder Books

Tests psychotechniques

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Entraînement aux tests psychotechniques d'aptitude numérique proposés lors des concours d'entrée dans les écoles paramédicales et du travail social. Avec une description des différents types d'exer...

Logique et mathematiques

By Bernard Myers

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Magic Mathieu multiplie les mysteres

By Dominique Souder

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« On retrouve ici Magic Mathieu, comme l'ont surnommé ses copains de CM2 - qui le prenaient pour un calculateur prodige. Dans cet ouvrage, il propose des tours faciles à reproduire dès la classe de...

52 semaines de defis mathematiques

By Mickael Launay, Dominique Souder

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Sihirli Matematikte 80 Kucuk Deneme

By Dominique Souder

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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.