Naurang Singh Mangat Books

Elements of Survey Sampling Texts in the Mathematical Sciences

By R. Singh, Naurang Singh Mangat, Singh Ravindra.

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Elements of Survey Sampling

By R. Singh

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This volume serves as an elementary textbook and reference book in sampling methods. The first two chapters provide the basis for the different techniques which are treated in detail in the remaini...

Elements of Survey Sampling

By R. Singh, Naurang Singh Mangat

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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.