Estanislao Sofia Books

Archives et manuscrits de linguistes

By Valentina Chepiga, Estanislao Sofia

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Collation Sechehaye du Cours de Linguistique Generale de Ferdinand de Saussure

By Sofia E.

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Espaces theoriques du langage

By Estanislao Sofia, Claudine Normand

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La question du rôle et de la place du langage dans l'ensemble des activités humaines continue à susciter abondance de discours qui tendent à en faire la théorie. Les textes ici réunis, issus du tra...

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.