Richard D. Krugman Books

Review of pediatrics

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The Battered Child

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Containing chapters from professionals in such diverse fields as pediatrics, psychiatry, legal studies, and social work, The Battered Child, fifth edition, reflects the past decade's extraordinary...

Review of pediatrics

By Richard D. Krugman

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Review of pediatrics

By Richard D. Krugman

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Review of pediatrics

By Richard D. Krugman

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Pediatrics continuing education review

By Richard D. Krugman

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National Systems of Child Protection

By Richard D. Krugman, John D. Fluke, Lisa Merkel Holguin

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Das misshandelte Kind.

By Richard D. Krugman, Mary Edna Helfer, S. Ruth Kempe

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Handbook of Child Maltreatment

By Richard D. Krugman, Jill E. Korbin

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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.