Claude De Tychey Books

La Sante psychologique de l enfant

By Claude De Tychey, Marianne Dollander

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Peut-on prevenir la psychopathologie?

By Claude De Tychey

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La PREVENTION DES DEPRESSIONS

By Claude De Tychey

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Voici une réflexion sur les déterminants et la prévention des dépressions, envisagés le long d'un continuum allant de la période fŒtale au grand âge. Plusieurs spécialistes de chaque tranche d'âge...

L investigation du psychologue a la Protection Judiciaire de la Jeunesse

By Olivier Moyano, Claude De Tychey

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Resilience

By Joelle Lighezzolo

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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.