Poul Rohleder Books

"The first qualitative research methods textbook devoted to health and clinical psychology, this edited volume examines the issues and methods at the heart of qualitative research. With contributio...

Qualitative Research in Clinical and Health Psychology

By Poul Rohleder, Antonia C. Lyons

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Disability and Sexual Health

By Poul Rohleder, Mark Thomas Carew, Stine Hellum Braathen

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Critical Issues in Clinical and Health Psychology

By Poul Rohleder

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Disability and Sexual Health

By Poul Rohleder, Mark Thomas Carew, Stine Hellum Braathen

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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.