Roy Davies Books

Nautilus
Nautilus

By Roy Davies

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Service in the Roman Army
Service in the Roman Army

By Roy W. Davies

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Y g wr drwg a'i obeithion
Y g wr drwg a'i obeithion

By Roy Davies

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Gwenwyn
Gwenwyn

By Roy Davies

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Bod Yn Wyddonol
Bod Yn Wyddonol

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Troseddau hynod
Troseddau hynod

By Roy Davies

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Aur Y Byd
Aur Y Byd

By Roy Davies, Dic Jones

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Troseddau hynod 2
Troseddau hynod 2

By Roy Davies

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Llaw Dialedd
Llaw Dialedd

By Roy Dacies

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The Darwin conspiracy
The Darwin conspiracy

By Roy Davies

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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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