Guojun Hu Books

Xing lin yun tang
Xing lin yun tang

By Guojun Hu

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Fa ting shang de xin li xue
Zhe me shuo hua jiu dui liao
Zhe me shuo hua jiu dui liao

By Guojun Hu

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Ben shu tong guo you mo de man hua jie shao zui shi yong de shuo hua zhi shu he zui tie xin de shuo hua zhi dao, jiang shu wu lun zai zhi chang huan shi peng you zhi jian, zen yang qu shuo hua, zen...

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Fangyan Hu gong chuan qi
Fangyan Hu gong chuan qi

By Guojun Hu

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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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