Stephen E. Langer Books

Solved
Solved

By James F. Scheer, Stephen E. Langer

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Raise Your I.Q.
Raise Your I.Q.

By Langer

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Super Smarts
Super Smarts

By Kensington

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Solved
Solved

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Arthritis
Arthritis

By Stephen E. Langer

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Dental Problems
Dental Problems

By Stephen E. Langer

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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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