Roger M. Weis Books

Leading with character purpose passion

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The model for this book is an assessment tool for self improvement as well as a tool to help assess and develop others and has been used nationally and internationally in the selection and training...

Leadership and program development in nonprofit organizations

By Roger M. Weis

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Knowledge And Skill Development in Nonprofit Organizations

By Roger Weis, Roger M. Weis

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Leading and managing nonprofit organizations

By Roger M. Weis

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Leading with Character Purpose and Passion

By Vernon W. Gantt, Roger M. Weis

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Leading and Managing Nonprofit Organizations

By Peter C. Weber, Susan Muller, Roger M. Weis

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Leading with Character Purpose and Passion a Model for Successful Leadership at Work and Home

By Susan Muller, Roger M. Weis

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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.