Ronnie Lessem Books

Managing in Four Worlds Developmental Management

By Sudhanshu Palsule, Ronnie Lessem

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Intrapreneurship

By Ronnie Lessem

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Heroic management

By Ronnie Lessem

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The integrators

By Ronnie Lessem

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In the 1970s and 1980s a new breed of management writers emerged, with a view to taking management theory, and practice, onto the next level of its evolution. However, in spite of the rich and inno...

Beyond leadership

By Warren G. Bennis

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Beyond Leadership

By Ronnie Lessem, Warren G. Bennis, Jagdish Parikh

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Integral Kumusha

By Munyaradzi Mawere, Passmore Musungwa Matupire, Ronnie Lessem

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African management

By L. Mbigi, P. Christie, Ronnie Lessem

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From hunter to rainmaker

By Ronnie Lessem

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Resourcing Business

By Ronnie, Ronnie Sudhanshu, Lessem, Lessem Palsule

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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.