Ivan Bili͡Arski Books

STUDIA PONTICA (N?26-27)

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La Mer noire - l'ancien Pont-Euxin - a toujours été un carrefour de peuples et de civilisations. C'est là que les Slaves ont recueilli l'héritage de l'Antiquité, et que se sont rencontrés les Hellè...

Hierarchia, l'ordre sacre

By Ivan Biliarsky

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Ius et Ritus

By Ivan Biliarski

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Word and Power in Mediaeval Bulgaria

By I. Biliarsky, Ivan Biliarsky

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Institutsiite na srednovekovna Bulgariia

By Ivan Biliarski

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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.