Robert E. Spekman Books

The Extended Enterprise: Gaining Competitive Advantage through Collaborative Supply Chains

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The portable MBA.

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Like its predecessors, The Portable MBA, Third Edition delves into all the core material covered in the first year of a typical MBA program: marketing, economics, business ethics, technology, strat...

The Portable MBA, 4th Edition

By Mark R. Eaker, R. Edward Freeman, Robert E. Spekman, Robert F. Bruner, S. Venkataraman, Elizabeth Olmsted Teisberg

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"The Portable MBA, Fourth Edition delivers the cutting-edge business theory and practice now being taught at today's top MBA programs. Written by faculty members of the prestigious Darden School at...

Alliance Competence

By Robert E. Spekman, Lynn A. Isabella

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"Strategic alliances are becoming more and more essential to the viability of a company. These alliances are pervasive throughout the corporate landscape and have a big impact on the way business i...

Strategic Approach to Business Marketing Proceedings Series Amer Marketing Assn

By Robert E. Spekman

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U.S. buyers' relationships with Pacific Rim suppliers

By Robert E. Spekman

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Alliance and partnership strategies

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Bringing Technology to Market

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Alliance Competence

By Robert E. Spekman, Lynn A. Isabella

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Portable MBA

By Robert E. Spekman, Mark R. Eaker, Bruner Robert F., R. Edward Freeman, Elizabeth Olmsted Teisberg

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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.