D. Duncan Books

Arizona Police Journal
Arizona Police Journal

By D. Duncan

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Rhode Island Police Journal
Rhode Island Police Journal

By D. Duncan

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Rhode Island Police Journal
Rhode Island Police Journal

By D. Duncan

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Hawaii Police Journal
Hawaii Police Journal

By D. Duncan

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Maine Police Journal
Maine Police Journal

By D. Duncan

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Connecticut Police Journal
Connecticut Police Journal

By D. Duncan

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Nebraska Police Journal
Nebraska Police Journal

By D. Duncan

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Oregon Police Journal
Oregon Police Journal

By D. Duncan

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Hawaii Police Journal
Hawaii Police Journal

By D. Duncan

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Florida Police Journal
Florida Police Journal

By D. Duncan

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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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