David Keuning Books

Mark 60
Mark 60

By Arthur Wortmann, David Keuning

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Mark 61
Mark 61

By Arthur Wortmann, David Keuning

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Mark 62
Mark 62

By Arthur Wortmann, David Keuning

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Mark 63
Mark 63

By Arthur Wortmann, David Keuning

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Mark 64
Mark 64

By Arthur Wortmann, David Keuning

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Mark 65
Mark 65

By Arthur Wortmann, David Keuning

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What I ve Learned
What I ve Learned

By Frame

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Mark 46
Mark 46

By Arthur Wortmann, David Keuning

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Mark 47
Mark 47

By Arthur Wortmann, David Keuning

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Mark 48
Mark 48

By Arthur Wortmann, David Keuning

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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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