Ning Yan Books

Qi pin zhi ma guan
Qi pin zhi ma guan

By Ning Yan

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Gong shang yu fang zhi ge ren fang hu zhi shi
Gong shang yu fang zhi ge ren fang hu zhi shi

By Ning Yan

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Ben shu yi wen da de xing shi lie ju le cong ye ren yuan zai lao dong sheng chan guo cheng zhong ying gai le jie de ge ren fang hu yong pin de xuan yong zhi shi, Ji ben shi yong zhi shi, Wei hu bao...

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Min su xue shi yu xia de Lu Xun yu chuan tong wen hua yan jiu
Ba ren cun ji shi
Ba ren cun ji shi

By Ning Yan

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Fuels Chemicals and Materials from the Oceans and Aquatic Sources
Fuels Chemicals and Materials from the Oceans and Aquatic Sources
Fuels Chemicals and Materials from the Oceans and Aquatic Sources
Fuels Chemicals and Materials from the Oceans and Aquatic Sources
Gu dai li xue li zhi wen xian yan jiu cong gao
Mo pan shuang he de ri zi
Mo pan shuang he de ri zi

By Ning Yan

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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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