Robert Duffy Books

El mito de las generaciones
El mito de las generaciones

By Robert Duffy

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State of change
State of change

By Courtenay W. Daum

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State of change
State of change

By Courtenay W. Daum

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Children s Quiz Book
Children s Quiz Book

By Robert Duffy

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First Aid for Cats
First Aid for Cats

By Robert Duffy

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First Aid for Dogs
First Aid for Dogs

By Robert Duffy

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Border Terriers
Border Terriers

By Robert Duffy

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Schnoodles
Schnoodles

By Robert Duffy

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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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