Masafumi Iida Books

Chugoku kaikaku kaiho e no tenkan

By Masafumi Iida, Tomoki Kamo, Ken Jinbo

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China s shift

By Masafumi Iida

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Tenkansuru Chugoku

By Masafumi Iida

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NIDS China security report

By Masafumi Iida

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The international community continues to keep close watch on China's security policy and military trends. In Japan, too, the general public has grown more aware of the large impact that the rising...

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.