Daniel HAGEN Books

De Geschiedenis Van Het Vegetarisme En Veganisme

By Daniel HAGEN, Cindy Pierlet, Daniel Hagen, Daniel Hagen, Cindy Pierlet

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We leven al zo'n tien generaties in het industriële tijdperk. Een tijdperk waarin het snel gaat. Het menselijk ras is in overdrive! Ook qua voeding. Vlees is goedkoop geworden, in massa geproduceer...

Histoire du Vegetarisme et du Veganisme

By Daniel HAGEN, Adrienne Derrier

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Guia de Restaurantes en Lisboa

By Eva Trillo Carames, Daniel Hagen

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Your Depression and Me...

By Bhumika Chawla D Souza, Daniel Hagen

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Historia Del Vegetarianismo y Veganismo

By Mario Espitia, Daniel Hagen

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Depresion de Mi Mujer y Yo Un Viaje de Subida y Bajada con un Perro Negro

By Jorge Ledezma Millan, Daniel Hagen

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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.