Dirk Heeger Books

Quantitative Analyse der oekonomischen Bedeutung eines Unternehmens

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Eine zentrale Herausforderung der selektiven Industriepolitik besteht darin, die volkswirtschaftliche Förderungswürdigkeit eines Unternehmens anhand objektiver Kriterien messbar zu machen. In der A...

Quantitative Analyse der oekonomischen Bedeutung eines Unternehmens

By Dirk Heeger

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Weiterentwicklung des Deutschen Gesundheitssatellitenkontos Zu Einer Gesundheitswirtschaftlichen Gesamtrechnung

By Zun Gon Kim, Klaus Dirk Henke, Sebastian Hesse, Julian Knippel, Dirk Heeger

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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.