J. Leroy Ward Books

Pmp Challenge
Pmp Challenge

By J. Leroy Ward, Ginger Levin

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PMP Exam
PMP Exam

By J. LeRoy Ward

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PMP Exam
PMP Exam

By Leroy J. Ward

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CAPM Prep Guide
CAPM Prep Guide

By J. LeRoy Ward, Ginger Levin

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PMP Exam
PMP Exam

By J. LeRoy Ward

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Pmp Exam
Pmp Exam

By Leroy J. Ward

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PMP Exam
PMP Exam

By Leroy J. Ward

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PMP Challenge
PMP Challenge

By J. LeRoy Ward, Ginger Levin

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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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