Anthony O. Putman Books

Marketing Your Services: A Step-By-Step Guide For Small Businesses And Professionals

By Anthony O. Putman, Putman, Anthony O.

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Marketing Your Services You may be one of the best doctors, consultants, accountants, caterers, or investment advisors around, but when it comes to marketing your service, you may also be the first...

Advances In Descriptive Psychology, Vol. 5

By Anthony O. Putman

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Advances In Descriptive Psychology, Volume 5

By Anthony O. Putman, Keith E. Davis

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Ally Relationships: The Key To Sustained Success For Your Service Business

By Anthony O. Putman, Putman Anthony

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Fun to read, engaging and very practical, Ally Relationships was written with one end in to contribute to the sustained growth and success of your business. Success in a service business is hard to...

Como Mercadear Sus Servicios

By Anthony O. Putman, Andre Putman

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Marketing Für Ihre Dienstleistungen Ein Leitfaden Für Selbständige ...

By Anthony O. Putman

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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.