Zhang Cheng Books

Da xue ji suan ji ji chu

By Zhang Cheng, Wei Zhong Hai

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Jian zhu shi tu yu fang wu gou zao

By Yuan Lu, Zhang Cheng

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Dian shi ji lu pian chuang zuo

By Zhang Cheng

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Ben shu fen wei qi zhang, nei rong bao kuo : ji lu pian shi shi me, dian shi ji lu pian lei xing, dian shi ji lu pian de yi shu ben ti lun, dian shi ji lu pian de yu yan gou cheng, dian shi ji lu p...

Duo gong

By Cheng Zhang

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Tan hua wang chao

By Cheng Zhang

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He hu sheng ming dao lu jiao tong an quan chang shi li hua

By Zhang Cheng

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SAT zong he zhi dao yu mo ni shi ti

By Wei Na Ge Lin, Zhang Cheng

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Cheng Zhang

By Zhang Cheng

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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.