Akhileshwar Kumar Books

Fixed And Mobile Terminal Antennas

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This critical review looks at state-of-the-art mobile and fixed antennas, combining theory and practical design data. The text examines the subject of mobile terminals from the perspectives of mark...

Encyclopaedia Of Experimental Psychology

By A KUMAR, Akhileshwar Kumar

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Vedantasara of Sadananda

By Akhileshwar Kumar

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Microwave cavity antennas

By A. Kumar

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Antenna Design with Fiber Optics

By Akhileshwar Kumar, A. Kumar

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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.