Leo Van Der Aalst Books

How I Paid for College

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A coming-of-age story for the twenty-first century ... Imagine the kids from Fame doing Catcher in the Rye (if you dare) and enter the world of Marc Acito.

TMap Next for result driven testing

By Bart Broekman, Leo Van Der Aalst, Tim Koomen, Michiel Vroon

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TMap Next Business Driven Test Managament

By Leo Van Der Aalst Rob Baarda Ewald Roodenrijs Johan Vink Ben Visser

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Expert Test Manager

By Rex Black, James L. Rommens, Leo Van Der Aalst

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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.