Ronald Ayers Books

Case of the Deadly Triangle
Case of the Deadly Triangle

By Ronald Ayers

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Bogus
Bogus

By Ronald Ayers

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Econ w res Nav Pk
Econ w res Nav Pk

By Ronald Ayers

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Econ W Onekey& WSJ 10-Wk
Econ W Onekey& WSJ 10-Wk

By Ronald Ayers

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Econ W Onekey& WSJ 15-Wk
Econ W Onekey& WSJ 15-Wk

By Ronald Ayers

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Macroec W res Nav
Macroec W res Nav

By Ronald Ayers

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Macroec W 1key&WSJ 10-Wk
Macroec W 1key&WSJ 10-Wk

By Ronald Ayers

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Macroec W 1key&WSJ 15-Wk
Macroec W 1key&WSJ 15-Wk

By Ronald Ayers

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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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