Ricardo Evaristo Dos Santos Books

El Brasil filipino

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"Discusses positive aspects of Spanish rule (1580-1640) in Brazil: the Tordesillas line lost its earlier significance; ordenações filipinas shaped Brazilian law; Spain's 'Golden Age' influenced Bra...

Las relaciones hispanoturcas . Algunas consideraciones

By Ricardo Evaristo Santos

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Real Expedicion Filantropica de La Vacuna 1803 1806

By Patrocinio Moratinos Palomero

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Cronica de la historia de Suiza

By Jacques A. Schnieper, Ricardo Evaristo Santos, Turpin Editores

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Politica migratoria espanola a Iberoamerica

By Ricardo Evaristo Dos Santos

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Carlos V

By Ricardo Evaristo Dos Santos

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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.