David J. Hansen Books

Aquatic Toxicology and Hazard Assessment

By Rita Comotto Bahner

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Murray County s war

By David J. Hansen

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Treating Internalizing Disorders in Children and Adolescents

By Douglas W. Nangle, Cynthia Suveg, And Contributors, David J. Hansen, Rachel L. Grover, Julie Newman Kingery

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Practitioner'S Guide To Empirically Based Measures Of Social Skills

By Peter J. Norton, David J. Hansen, Cynthia A. Erdley, Douglas W. Nangle, Richard Smardon, Douglas W. Nangle, Rachel L. Grover, Lauren J. Holleb, Michael Cassano, Jessica Fales (Auth.), Douglas W. Nangle, David J. Hansen, Cynthia A. Erdley, Peter J. Norton (Eds.)

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Social skills are at the core of mental health, so much so that deficits in this area are a criterion of clinical disorders, across both the developmental spectrum and the DSM. The __Practitioner’s...

Treating Internalizing Disorders in Children and Adolescents

By Douglas W. Nangle, Cynthia Suveg, David J. Hansen, Rachel L. Grover, Julie Newman Kingery

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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.