Prof David Farmer Books

Purchasing Priniciples And Management

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Purchasing, Principles and Management

By David Farmer, David Jones, David Jessop, Peter Baily

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Procurement Principles & Management

By Barry Crocker, Peter J. H Baily, David Jones, David H. Farmer, Peter Baily, David Farmer, David Jessop, Prof David Jessop, Prof David Farmer

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Previously entitled 'Purchasing Principles and Management' this book has been essential reading and the standard text for practitioners and students of the subject of purchasing or procurement for...

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.