Marco Antonio Hernandez Books

Space Time Multiuser Receivers for Wideband Code Division Multiple Access

By Marco Antonio Hernandez

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Fiscal and Welfare Impacts of Electricity Subsidies in Central America

By Leopoldo Tornarolli, Luis Alvaro Sanchez, Marco Antonio Hernandez, Liliana D. Sousa

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The Education of a Wetback

By Marcos Antonio Hernandez

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It was never Toño's plan to leave El Salvador behind. Toño has spent his entire life rising hours before dawn to feed the animals and mind the farm of his father Jose Angel. He wants nothing more t...

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.