Chao Gu Books

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Wo de fu qin Gu Jiegang
Wo de fu qin Gu Jiegang

By Chao Gu

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Gu Jiegang nian pu
Gu Jiegang nian pu

By Chao Gu

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Gu Jiegang xian sheng (1893-1980) shi Zhongguo zhu ming de li shi xue jia, ta zai er shi nian dai chu qi ti chu le "ceng lei di zao cheng Zhongguo gu shi" guan, tui fan le li dai xiang chuan de san...

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Zhongguo min zheng shi hua
Zhongguo min zheng shi hua

By Su Zhang

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Wen xue de bi an
Wen xue de bi an

By Chao Gu

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Gu Jiegang ping zhuan
Gu Jiegang ping zhuan

By Chao Gu

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Low Cost Smart Antennas
Low Cost Smart Antennas
Low Cost Smart Antennas
Li jie zhong jiao zhi bu hui
Li jie zhong jiao zhi bu hui

By Chao Gu

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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.

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