Ginger Levin Books

Implementing Program Management

By Ginger Levin, Allen R. Green

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Pmp Exam

By J. LeRoy Ward, Ginger Levin

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Pfmp r Exam Practice Tests and Study Guide

By Ginger Levin

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Portfolio Management

By Levin Pmp Pgmp Ginger, Pfmp John Wyzalek, Pmp Pgmp Levin

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Program Management Complexity

By J. LeRoy Ward, Ginger Levin

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"Although complexity is a phenomenon that confounds and challenges program managers across industry sectors, there is little information available that identifies the set of competencies managers n...

Program Management Complexity

By J. LeRoy Ward, Ginger Levin

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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.