Sarah Earl Books

Outcome Mapping
Outcome Mapping

By Sarah Earl, Fred Carden, Terry Smutylo

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"More and more, development organizations are under pressure to demonstrate that their programs result in significant and lasting changes in the well-being of their intended beneficiaries. However,...

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La cartographie des incidences
La cartographie des incidences

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Mapeo de Alcances
Mapeo de Alcances

By Sarah Earl

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The War of Darkness
The War of Darkness

By Sarah Earl

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Rise of Darkness
Rise of Darkness

By Sarah Earl

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Related Articles from our Blog

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.

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