Mary W. Helms Books

Access to Origins
Access to Origins

By Mary W. Helms

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Access to origins
Access to origins

By Mary W. Helms, Mary Helms

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In many nonindustrial, non-Western societies, power and prestige are closely linked to the extent of an individual's or group's perceived connection to the supernatural realm, which also explains a...

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Ancient Panama
Ancient Panama

By Mary W. Helms

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The Curassow s Crest
The Curassow s Crest

By Mary W. Helms

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Middle America
Middle America

By Mary W. Helms

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Middle America
Middle America

By Mary W. Helms

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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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