Andrey G. Kostianoy Books

Turkmen Lake Altyn Asyr and Water Resources in Turkmenistan

By Andrey G. Kostianoy, Igor S. Zonn

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Aral Sea Environment

By Andrey G. Kostianoy, Aleksey N. Kosarev

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Black Sea Encyclopedia

By Andrey G. Kostianoy, Aleksey N. Kosarev, Sergei R. Grinevetsky, Sergei Zhiltsov, Igor S. Zonn

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This publication is devoted to the natural feature – the Black Sea and its littoral states. At the same time the Azov Sea is also considered here. This region is the focus of many geopolitical, eco...

Black Sea Encyclopedia

By Sergei S. Zhiltsov, Andrey G. Kostianoy, Aleksey N. Kosarev, Sergei R. Grinevetsky, Igor S. Zonn

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The Black Sea Encyclopedia

By Sergei S. Zhiltsov, Andrey G. Kostianoy, Aleksey N. Kosarev, Sergei R. Grinevetsky, Igor S. Zonn

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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.