Ervin Csizmadia Books

A politika mint titok

By Ervin Csizmadia

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A magyar demokratikus ellenzek, 1968-1988

By Csizmadia Ervin.

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A magyar demokratikus ellenzek, 1968-1988

By Csizmadia Ervin.

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A magyar demokratikus ellenzek, 1968-1988

By Csizmadia Ervin.

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A Magyar politikai fejlodes logikaja

By Ervin Csizmadia

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Amikor A magyar politikai fejlődés logikája című művét írta Csizmadia Ervin, többek között egy barátjával is levelezett, akinek megírta, hogy még egy darabig azért nem tud vele találkozni, mert eze...

Ket liberalizmus Magyarorszagon

By Csizmadia Ervin.

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A politika es az ertelmiseg

By Csizmadia Ervin.

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Makkai Janos

By Ervin Csizmadia

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Elkepzeltek maguknak egy miniszterelnokot

By Ervin Csizmadia

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Logic of Hungarian Political Development

By Ervin Csizmadia

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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.