Agis D. Tsouros Books

World Health Organization Healthy Cities Project

By Ortensio Landi, WHO Healthy Cities Project Office.

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Health literacy

By Jurgen M. Pelikan, Ilona Kickbusch, Agis D. Tsouros, Franklin Apfel

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As societies grow more complex, and people are increasingly bombarded with health information and misinformation, health literacy becomes essential. People with strong health literacy skills enjoy...

Mass gatherings and public health

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"Large-scale mass gatherings, such as the Olympic Games, represent significant challenges for the entire health sector of host countries. Emerging global public health threats of natural or deliber...

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.