Gyula Kozak Books

Tinerii maghiari din Romania

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"In this paper we analyse the cultural lifestyle of the 18-35 year-old population according to their place in the social structure and ethnicity. Two youth surveys from 2008 about the 18-35 age gro...

Egy magyar republikanus eletutja

By Zsuzsanna Korosi, Gyula Kozak

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Kesz a leltar

By Gyula Kozak

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A szabadsag kicsiny szigete

By Gyula Kozak

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Tinerii maghiari din Romania

By Tamas Kiss, Gergo Barna, Gyula Kozak

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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.