John W. Ernest Books

Basic Business Mathematics

By John W. Ernest, John W. Ernest, Charlotte L. Ernest

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John W. Ernest, Charlotte L. Ernest. Includes Index. Indiana State Adopted Textbook, 1979-1984.

Basic Selling

By John W. Ernest

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Salesmanship Fundamentals

By John W. Ernest, John W. , 1914- Ernest, John W. And Ernest, John W. Ernest, Richard D. Ashmun

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John W. Ernest, Richard D. Ashmun. Includes Index. Fifth Ed. Published In 1980 Under Title: Selling : Principles & Practices. Indiana State Adopted Textbook, 1977-1982.

Basic Salesmanship

By John W. Ernest, J. W. Ernest

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Salesmanship Fundamentals: Creative Selling For Today'S Market

By G. M., Ernest, John W. Ernest, John W.; Davall, G. M. Davall

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Creative Selling

By John W. Ernest, Eugene L. Dorr, Consulting Editor

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Selling, Principles And Practices

By John W. Ernest, R. Ashmun, John W. Ernest, Richard D. Ashmun

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vi, 490 pages : 24 cm First-4th ed. published under title: Salesmanship fundamentals Includes index Includes index

Student Activity Guide For Selling, Principles & Practices

By John W. Ernest

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Teacher'S Manual And Key For Selling Principles And Practices

By John W. Ernest

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Creative Selling: Tchrs'.Manual & Key

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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.