Lopez Ernesto Books

Seguridad nacional y sedicion militar

By Lopez Ernesto

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El ultimo levantamiento

By Lopez Ernesto

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Ni la ceniza ni la gloria

By Lopez Ernesto, Ernesto Lopez

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"Study blames Argentina's civilian elites for the country's frequent military interventions. The second half focuses on the Alfonsín Administration and its failure to establish civilian supremacy"-...

Democracia y cuestion militar

By Lopez Ernesto

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Globalizacion y democracia

By Lopez Ernesto

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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.