Devora Zack Books

Managing for People Who Hate Managing
Managing for People Who Hate Managing

By Devora Zack

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Professional success, more often than not, means becoming a manager. Yet nobody prepared you for having to deal with messy tidbits like emotions, conflicts, and personalities—all while achiev...

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Singletasking
Singletasking

By Devora Zack

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“Can literally double your productivity and performance overnight. This may be the most important book on time and personal management you will ever read.” —Brian Tracy, internati...

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Singletasking
Singletasking

By Devora Zack

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Singletasking
Singletasking

By Devora Zack

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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.

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