Leonard Dudley Books

Supply of Canadian foreign aid

By Leonard Dudley, Economic Council Of Canada. Study Paper 59.

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The Singularity of Western Innovation

By Leonard Dudley

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Information revolutions in the history of the West

By Leonard Dudley

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"This book presents evidence of an overall pattern generated by radical changes in media, arguing that the major social revolutions in the West have been preceded by innovations that drastically al...

Angewandte Institutionenokonomik Theorien Modelle Evidenz German Edition

By Leonard Dudley, Ulrich Blum, Andreas Weiske, Frank Leibbrand

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Information Revolutions in the History of the West

By Leonard Dudley

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Angewandte Institutionenokonomik

By Leonard Dudley, Ulrich Blum, Andreas Weiske, Frank Leibbrand

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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.