Jane John Nwankwo Books

Acute care nurse assistant exam prep
Acute care nurse assistant exam prep

By Jane John Nwankwo

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A bank of practice test questions and answers for acute care nurse assistant students.

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Home health aide exam prep
Home health aide exam prep

By Jane John Nwankwo

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A bank of practice test questions and answers in preparation for the home care aide test.

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CNA Study Guide
CNA Study Guide

By Jane John Nwankwo

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Phlebotomy Test Prep
Phlebotomy Test Prep

By Jane John Nwankwo

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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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