Ole Didrik Laerum Books

Naturlicher Zeitgeber Biorhythmus
Naturlicher Zeitgeber Biorhythmus

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Mennesket og tida
Mennesket og tida

By Ole Didrik Laerum

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Forskning til frokost
Forskning til frokost

By Ole Didrik Laerum

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Magnus Dagestad
Magnus Dagestad

By Ole Didrik Laerum

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Roykstova
Roykstova

By Ole Didrik Laerum

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I kastanjetreet
I kastanjetreet

By Ole Didrik Laerum

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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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