Waltina Scheumann Books

Empfehlungen zur strategischen orientierung der EZ im grenzuberschreitenden gewassermanagement in Afrika

By Waltina Scheumann

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Managing salinization

By Waltina Scheumann

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Water in the Middle East

By Waltina Scheumann

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In the 1980s, scientists, politicians and journalists frequently emphasized, particularly on the Jordan, Euphrates and Nile Rivers, that conflicts over shared water resources would lead to "water w...

Co operation on transboundary rivers.

By Waltina Scheumann, Volkmar Hartje, Ismael Al Baz

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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.