Kumar, Challa Books

Metallic Nanomaterials: Chemistry In Practice

By He Huang, Gao Li, Asterios Gavriilidis, Volker Hessel, S. S. R. Kumar Challa, Hendrik Du Toit, Leticia García-Cruz, Sirui Li, Kumar, Challa

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Metallic Nanomaterials (Part A) (De Gruyter Textbook)

By Challa S. S. R. Kumar, Asterios Gavriilidis, Volker Hessel, S. S. R. Kumar Challa, Hendrik Du Toit, Leticia García-Cruz, Kumar, Challa

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This is the first volume (Part A) in the series of books covering practical aspects of synthesis and characterization of various categories of nanomaterials taking into consideration the most up to...

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.