Irina Petras Books

Popescu E. Napoleon. Volumul II

By Stefan Dimitriu, Vasile Poenaru, Irina Petras, Stefan Goanta, Irina Goanta

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70 Filiala Cluj a Uniunii Scriitorilor din Romania

By Irina Petras

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Volume edited by the Romanian Writers Union - Cluj Branch, on the 70th anniversary of the existence of the Cluj Branch and of the magazine Almanahul literar / Steaua

Literatura romana contemporana

By Irina Petras

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Panorama criticii literare romanesti, 1950-2000

By Irina Petras

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Ion Budai Deleanu 250

By Irina Petras, Ion Budai Deleanu

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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.