John D. Mullen Books

Kierkegaard s Philosophy
Kierkegaard s Philosophy

By John D. Mullen

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Decision Making
Decision Making

By John D. Mullen

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Hard thinking
Hard thinking

By John Douglas Mullen

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Short Term
Short Term

By John D. Mullen

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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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