United Nations Environment Programme Books

Phosphorus in the Global Environment

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Phosphorus is one of the world's vital but relatively scarce resources, which is a limiting factor in plant (and therefore food and fibre) production. This volume brings together data and concepts...

United Nations Environment Programme

By World Resources Institute

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Environmental Data Report 1989 1990

By United Nations Evnvironment Programme St

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Radiation

By United Nations Environment Program

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Environmental Data Report 1993 1994 Environmental Data Report

By United Nations Environment Programme.

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Southern Africa environment outlook

By Southern African Development Community

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Environmental impacts of macroeconomic and sectoral policies

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Fondo para el Medio Ambiente Mundial

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Rain and stormwater harvesting in rural areas

By United Nations Environment Programme.

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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.