Ernesto Ayala Books

Examen de grado
Examen de grado

By Ernesto Ayala

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Trescientos metros
Trescientos metros

By Ernesto Ayala

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Cuentos con walkman
Cuentos con walkman

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Zona de contacto presenta Disco duro
Zona de contacto presenta Disco duro

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Noche ciega
Noche ciega

By Ernesto Ayala

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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.

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