Yuming Duan Books

Zhongguo si miao wen hua

By Yuming Duan, Yu Ming Tuan

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Nanzhao Dali wen hua shi

By Yuming Duan

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本书共六章, 包括:南诏大理政权的兴替, 南诏大理的政治文化, 南诏大理的军事文化, 南诏大理的经济文化, 南诏大理的民族文化, 南诏大理的文教艺术.

Zhongguo shi jing wen hua yu chuan tong qu yi Zhonghua yi shu wen ku

By Yuming Duan

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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.