Oscar E. Swan Books

Russian On A Disk
Russian On A Disk

By Oscar E. Swan

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First year Polish
First year Polish

By Oscar E. Swan

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First year Polish
First year Polish

By Oscar E. Swan

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Intermediate Polish
Intermediate Polish

By Oscar E. Swan

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A concise grammar of Polish
A concise grammar of Polish

By Oscar Swan

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Speaking Polish in Poland
Speaking Polish in Poland

By Oscar E. Swan

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Beginning Slovak CDs text
Beginning Slovak CDs text

By Oscar E. Swan

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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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