Sylvie Donna Books

Teach Business English

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This book provides a practical introduction to Business English for new and experienced teachers, and deals with a range of issues from needs analysis and course planning to testing and evaluation.

English Pronunciation in Use Intermediate CD ROM English Pronunciation in Use

By Mark Hancock, Sylvie Donna

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English Pronunciation in Use Elementary CD ROM for Windows and Mac single user English Pronunciation in Use

By Jonathan Marks, Sylvie Donna

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English Pronunciation in Use Elementary Book with Answers 5 Audio CDs and CD ROM English Pronunciation in Use

By Jonathan Marks, Sylvie Donna

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Optimal Birth What Why and How

By Sylvie Donna

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A Life Worth Living the Life of a Miner in the North East of England in the Late 20th Century

By Ned Cowen, Louise Greener, Sylvie Donna

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English Pronunciation in Use Intermediate Book with Answers Audio CDs and CD ROM English Pronunciation in Use

By Mark Hancock, Sylvie Donna

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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.