Zhengjun Wang Books

Xishan shi xiang zhen gong ye di xing qi yu fa zhan

By Zhengjun Wang

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Ha fu zhi lian

By Zhengjun Wang

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Shui ni hun ning tu ban chao sheng jian ce ji shu yan jiu

By Zhengjun Wang

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Lang hua yi duo duo

By Zhengjun Wang, Hongyan Li, Xiaoyang Chang, Luyan Xu, Zixuan Wang

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大学生游泳联赛即将开始, 南体大选手祁睿峰和北体大选手欧阳恒进行巅峰对决. 而此刻, 南体大队员唐一白历经四年蛰伏之后, 也将在本届联赛重回赛场. 好友祁睿峰和队友、教练对他寄予厚望, 而唐一白也全力拼搏要重新追寻自己的梦想. 就在大赛之前, 唐一白遇到了实习记者云朵. 云朵了解到唐一白的过往和梦想, 毫无保留地鼓励唐一白并为他仗义执言. 云朵租住了唐一白妈妈出租的房间, 而她和一白却都蒙在...

Zheng meng yi yi

By Zhengjun Wang

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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.