Jose Antonio Castillo Parrilla Books

Contratacion electronica y proteccion de los consumidores

By Antonio Flamini, Caridad Del Carmen Valdes Diaz, Lucia Ruggeri, Manuela Giobbi, Serafina Larocca, Jose Antonio Castillo Parrilla, Anabel Puentes Gomez, Leonardo Bernardino Perez Gallardo, Mauricio Tapia Rodriguez, Juan Francisco Rodriguez Ayuso, Perez Gallardo Leonardo Bernardino, Ana Maria Pereda Mirabal, Yanixet Milagro Formentin Zayas, Lisette Hernandez Fernandez, Reinerio Rodriguez Corria

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Bienes digitales. Una necesidad europea

By Jose Antonio Castillo Parrilla

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El mercado digital en la Union Europea

By Sebastian Lopez Maza, Francisco Javier Gomez Lanz, Castanos Castro Paula, Tatiana Arroyo Vendrell, Enrique Moreno Serrano, Juan Calvo Vergez, Sergio Camara Lapuente, Javier Valls Prieto, Antonio Merchan Murillo, Judith Morales Barcelo, Juan Jesus Martos Garcia, Jose Antonio Castillo Parrilla, Carmen Rocio Fernandez Diaz, Remedios Campoy Gomez, Guillermo Sanchez Archidona Hidalgo, Maria Del Mar Soto Moya, Gemma Maria Minero Alejandre, Jose Miguel Martin Rodriguez, Agustin Madrid Parra, Marta Fernandez Cabrera, Juan Francisco Rodriguez Ayuso, Castillo Parrilla Jose Antonio, Jose Manuel Macarro Osuna, Joaquin Jose Noval Lamas, Maria Jesus Blanco Sanchez, Teresa Rodriguez De Las Heras Ballell, Francisco Pertinez Vilchez, Alberto De Franceschi, Alba Panos Perez, Myriam Cabrera Martin, Maria Dolores Ortiz Vidal, Antonino Di Maio, Ruben Lopez Pico, Paula Castanos Castro, Martens Jimenez Isabel Luisa

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Derecho de Obligaciones y contratos I. Teoria General

By Jose Antonio Castillo Parrilla, Klaus Jochen Klaus Jochen Albiez Dohrmann

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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.