Peter Willetts Books

The non-aligned in Havana

By Peter Willetts

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Pressure Groups in the Global System

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The environment and international relations

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The Conscience of the World

By Peter Willetts

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The Conscience of the World

By Peter Willetts

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"NGO activity in the 1990s is often claimed to be unprecedented, yet it is not so new. The first victory by NGOs in the UN was fifty years ago, when they obtained provision in the UN Charter for th...

The Non Aligned Movement the Origins of a Third World Alliance

By Willetts

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Pressure Groups in the Global System

By Peter Willetts

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The non-aligned movement

By Peter Willetts

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The Non Aligned Movement

By Peter Willetts

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Pressure groups in the global system

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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.