JuanJo Gonzalez Guerrero Books

El circulo cromatico de mis palabras
Olor a lluvia
Europa solucion o problema
Ensalada triste de macarrones
Medianoche
La primavera de los cerezos
Menguante luz crecida sombra
Alejandro Valverde
El lirico
Impacto de las Nuevas Tecnologias en la Salud Mental Infanto Juvenil

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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.

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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.

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