Nuria Roca Books

What Is Art Movies What Is Art
La Celula El Origen de La Vida
Your Family from the Youngest to the Oldest
Ninos y Ninas del Mundo
Ninos y Ninas del Mundo

By Nuria Roca

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What Is Art Painting And Sculpture What Is Art
Sistema Nervioso Nuestro Proceso de Datos E
Tus Amigos
Tus Amigos

By Nuria Roca

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Feelings
Feelings

By Nuria Roca

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Sentimientos
Sentimientos

By Nuria Roca

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Los volcanes
Los volcanes

By Nuria Roca

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Describes volcanoes and volcanic phenomena on Earth. For elementary (4-6) school children.

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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.

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