Deni Trejo Barajas Books

El norte de Mexico y la historia regional

By Ignacio Del Rio, Deni Trejo Barajas, Edith Gonzalez Cruz

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Espacio y economia en la Peninsula de California, 1785-1860

By Deni Trejo Barajas

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Historia general de Baja California Sur.

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The first of an outstanding three-volume history of Baja California Sur, a collaborative effort by scholars of the state university. The first volume is a well organized chronological economic hist...

Los desiertos en la historia de America

By Deni Trejo Barajas

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Poblacion y grupos de poder en la peninsula de Baja California

By Deni Trejo Barajas

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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.