Douglas C. Ewbank Books

Age Misreporting and Age-Selective Underenumeration

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1. Introduction 2. Source of Age Misreporting 3. Methods for Detecting Errors in Reported Age Distributions 4. Typical Patterns of Distortion in Reported Age Distributions 5. The Effect of Erro...

Effects of health programs on child mortality in Sub-Saharan Africa

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Effects of Health Programs on Child Mortality in Sub Saharan Africa

By Working Group On The Effects Of Child Survival And Health Programs On Mortality, James N. Gribble, Division Of Behavioral And Social Sciences And Education, Commission On Behavioral And Social Sciences And Education, National Research Council

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Effects of Health Programs on Child Mortality in Sub Saharan Africa

By James N. Gribble, Effects Of Child Survival And Health Programs On Mortality Working Group, Douglas C. Ewbank

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Effects of Health Programs on Child Mortality in Sub Saharan Africa

By James N. Gribble, Douglas C. Ewbank

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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.