Bernd Lennartz Books

Taschenbuch der Wasserwirtschaft

By Werner Kresser, Ulrich Zanke, Helmut Kobus, Stefan Kopp Assenmacher, Peter Widmoser, Hans Peter Luhr, Wilhelm Urban, Hocine Oumeraci, Bernhard Keim, Leopold Fureder, Marion Huber Humer, Hanspeter Hodel, Reinhard Huttl, Ulrich C.E. Zanke, Hans Peter Koschitzky, Matthias Barjenbruch, Herbert Grubinger, Kurt Lecher, Bernd Lennartz, Peter Lechner, Dieter Gutknecht, Bernhard Sohngen, Julia Krummelbein, Oliver Bens, Hans Bretschneider, Guenter Bloeschl, Rolf Anselm, Mathias Doring, Martin Zimmermann, Rudolf Kuhn, Uwe Grunewald, Andreas Grohmann

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Vocational Education and Training in Sub Saharan Africa

By Friedhelm Eicker

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There is a rising demand for specialist workers in several countries of Sub-Saharan Africa (SSA). The area still lacks a consistent system of professional training and further education. The confer...

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.