Gerard Salem Books

Approche therapeutique de la famille

By Gerard Salem

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Approche therapeutique de la famille

By Gerard Salem

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Approche therapeutique de la famille

By Gerard Salem

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L approche therapeutique de la famille

By Gerard Salem

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Plus de cinquante ans après sa naissance, la thérapie de famille a réussi à s'imposer dans le traitement des troubles psychopathologiques, aussi bien sur le plan théorique que sur le plan clinique....

La sante dans la ville

By Gerard Salem

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Atlas mondial de la sante

By Gerard Salem

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Tableaux de familles

By Gerard Salem

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La sante dans la ville

By Gerard Salem

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Soigner par l hypnose

By Gerard Salem

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Soigner Par L hypnose

By Annie CHOLIN, Eric Bonvin, Gerard Salem, Dominique SERVANT

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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.