D. Duncan Books

Colorado Police Journal
Colorado Police Journal

By D. Duncan

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Tennessee Police Journal
Tennessee Police Journal

By D. Duncan

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Massachusetts Police Journal
Massachusetts Police Journal

By D. Duncan

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Kansas Police Journal
Kansas Police Journal

By D. Duncan

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Massachusetts Police Journal
Massachusetts Police Journal

By D. Duncan

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Michigan Police Journal
Michigan Police Journal

By D. Duncan

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Texas Police Journal
Texas Police Journal

By D. Duncan

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Mushroom Hunting
Mushroom Hunting

By D. Duncan

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Montana Police Journal
Montana 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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