Sigrid Flade Books

Allergies

By George Lewith, Sigrid Flade

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Allergies

By Sigrid Flade

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Rhume des foins, asthme et autres allergies sont de plus en plus communes. Grâce à la médecine naturelle, des méthodes simples sont ici proposées pour se soigner.

Nahrungsmittel Allergie naturlich behandeln

By Sigrid Flade

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Neurodermitis naturlich behandeln.

By Sigrid Flade

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Allergien naturlich behandeln.

By Sigrid Flade

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Alergias y Su Tratamiento Natural

By Sigrid Flade

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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.