Helena Sousa Books

The handbook of political economy of communications

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"Over the last decade, political economy has grown rapidly as a specialist area of research and teaching within communications and media studies and is now established as a core element in universi...

Comparative Media Policy Regulation and Governance in Europe

By Leen D Haenens, Josef Trappel, Helena Sousa

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Handbook of Political Economy of Communications

By Graham Murdock, Janet Wasko, Helena Sousa

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Handbook of Political Economy of Communications

By Graham Murdock, Janet Wasko, Helena Sousa

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Handbook of Political Economy of Communications

By Graham Murdock, Janet Wasko, Helena Sousa

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Handbook of Political Economy of Communications

By Graham Murdock, Janet Wasko, Helena Sousa

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Comunicacao e lusofonia para uma abordagem critica da cultura e dos media

By Rosa Cabecinhas, Moises De Lemos Martins, Helena Sousa

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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.