Walter Hack Books

Modern School Business Administration

By Walter Hack, John R. Ray, James W. Guthrie, John Ray, James Guthrie, I. Carl Candoli, Christina Hart, Walter G. Hack, I. Candoli, Christina C. Hart

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Modern School Business Administration: A Planning Approach (Peabody College Education Leadership Series), 1/e Guthrie, Hart, Hack, Candoli This text covers historical and current trends in leadersh...

N Nitrogen: Compounds With Noble Gases And Hydrogen (Gmelin Handbook Of Inorganic And Organometallic Chemistry - 8th Edition) (Part 1)

By Carol Strametz, Walter Hack, Ulrike Ohms-Bredemann, Hannelore Keller-Rudek, Claudia Heinrich-Sterzel, Dag Schiöberg, Reinhard Haubold, Walter Hack, Reinhard Haubold, Claudia Heinrich-Sterzel, Hannelore Keller-Rudek, Ulrike Ohms-Bredemann, Dag Schiöberg, Carol Strametz (Auth.), Dieter Koschel, Peter Merlet, Ulrike Ohms-Bredemann, Joachim Wagner (Eds.)

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"Nitrogen" Suppt. Vol. B 1 describes the compounds of nitrogen with noble gases and, in the major part, binary compounds composed of one nitrogen atom and hydrogen. Nitrogen hydrogen compounds wit...

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.