Gareth F. Williams Books

Ffrindiau
Ffrindiau

By Gareth F. Williams

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Dial
Dial

By Gareth F Williams

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Mr Petras
Mr Petras

By Gareth F. Williams

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Gwaed y gwanwyn
Gwaed y gwanwyn

By Gareth F. Williams

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Nofel dditectif afaelgar yn llawn cyffro a thensiwn. Nofel swmpus ar gyfer oedran uwchradd - addas i fechgyn a merched. Un o chwe nofel dditectif a gyhoeddir gan CAA, wedi'u hysgrifennu gan awduron...

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Cwmwl dros y Cwm
Cwmwl dros y Cwm

By Gareth F. Williams

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Y Gem
Y Gem

By Gareth F. Williams

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Nofel hanesyddol ar gyfer plant cynradd h n a phobol ifanc am ddau ffrind o Gymru a drodd yn ddau elyn ar gaeau pêl-droed eu hardal. Pan ddaeth y Rhyfel Mawr yn 1914, fe gymerodd un gêm bêl-droed a...

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Y ddwy Lisa
Y ddwy Lisa

By Gareth F. Williams

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Tacsi i hunllef
Tacsi i hunllef

By Gareth F. Williams

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Y ty ger y traeth
Y ty ger y traeth

By Gareth F. Williams

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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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