David A. Chang Books

Herbert Hoover
Herbert Hoover

By David A. Chang

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A biography of the thirty-first president of the United States, describing his career as mining engineer, businessman, and president during the Great Depression. Includes Internet links to Web site...

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The color of the land
The color of the land

By David A. Chang

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The color of the land
The color of the land

By David A. Chang

Average: 0.00, 0 Ratings

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The color of the land
The color of the land

By David A. Chang

Average: 0.00, 0 Ratings

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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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