Hafen Books

Pre-Hospital Emergency Care And Anthrax
EMT Review Manual
EMT Review Manual

By Hafen, KARREN

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EMT Essential Units 1/11 1/2 VHS Vid/Cas
Prehospital Emergency Care And Crisis Intervention
Psychological Emergencies And Crisis Intervention
Psychological Emergencies And Crisis Intervention

By Hafen, Brent Q Hafen, Brent Q. Hafen Ph.D., Hafen PH.D., Brent Q, Hafen

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A practical handbook on understanding and helping in times of psychological crisis, this text concentrates on the “whys” of psychological emergencies.

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Self Health Handbook
Self Health Handbook

By Hafen, Brent Q. Hafen, Brent Q., Brent Q. Hafen, With Molly J. Brog And Kathryn J. Frandsen

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vi, 345 pages ; 24 cm Includes bibliographical references and index

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Controlling Stress, Tension, Mind Body, And Health
First Aid
First Aid

By Hafen, Olpin

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Micrologic 2 Student Edition And Both Size Disk Package
First Aid Colleges Uni Im+Tb Sup

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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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