Akihiro Sado Books

The self defense forces and postwar politics in Japan

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"In 1947, Japan eternally renounced war and the possession of armed forces with its constitution. How, then, did the Japan Self-Defense Forces (JSDF) survive, moreover, evolve over the ensuing 70 y...

Jieitai shiron

By Akihiro Sado

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Jinbutsu de yomu gendai Nihon gaikoshi

By Akihiro Sado, Ryuji Hattori, Kazuo Komiya

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Jieitai shi

By Akihiro Sado

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Okinawa gendai seijishi

By Akihiro Sado

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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.