Alfonso Guerra Books

Una pagina dificil de arrancar

By Alfonso Guerra

Average: 0.00, 0 Ratings

Diccionario de La Izquierda Diccionarios de Autor

By Alfonso Guerra

Average: 0.00, 0 Ratings

Antes que sea tarde

By Jose Maria Espinasa, Carmen Parga, Alfonso Guerra, Fernando Moran, Antonio Quiros

Average: 0.00, 0 Ratings

La democracia herida

By Alfonso Guerra

Average: 0.00, 0 Ratings

El siglo que termina coloca a la humanidad ante perspectivas nuevas con profundas incertidumbres. Alfonso Guerra hace balance en La Democracia Herida de las experiencias más recientes.

Dejando atras los vientos

By Alfonso Guerra

Average: 0.00, 0 Ratings

Cuando el tiempo nos alcanza

By Alfonso Guerra

Average: 0.00, 0 Ratings

Dejando atras los vientos

By Alfonso Guerra

Average: 0.00, 0 Ratings

Perspectivas de una Espana democratica y constitucionalizada

Average: 0.00, 0 Ratings

Consejo de Estado.

By Alfonso Guerra

Average: 0.00, 0 Ratings

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.