Zehua Chen Books

Ban ma xian
Ban ma xian

By Zehua Chen

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Zhu zhi lei
Zhu zhi lei

By Zehua Chen

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残疾教师李道宽桃李满天下,被誉为"教师中的教师".他因患小儿麻痹症而残疾,在战乱中,以惊人的毅力四处求学,却被剥夺了上大学的权利,解放后成为一名中学教师,拼命工作,又因"出身问题"被卷进各种政治运动的漩涡...

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Ranked Set Sampling
Ranked Set Sampling

By Zehua Chen, Bimal K. Sinha, Zhidong Bai

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This is the first book on the concept and applications of ranked set sampling. It provides a comprehensive review of the literature, and it includes many new results and novel applications. Scienti...

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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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