Hengping Tong Books

Mo xue jing shen yan jiu

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墨学蕴含着独特的人文精神. 墨学的兼爱非攻主张是中国古代人道主义的典型代表之一；墨学的节用、节葬等主张，闪烁着中国古代生态文化的光辉；墨学的尚贤、尚同等政治思想，体现了中华民族古代政治文明的先进性. 墨学蕴含着独特的科学精神. 墨学尤其重视对自然科学的研究，它具备中国传统文化中难能可贵的科学之真，但其科学之兵并非西才式地一味向外索取的科学理性，而是体现其求真、求善的统一，蕴藏着人文化的、伦理...

Developing econometrics

By Hengping Tong

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Developing econometrics

By Hengping Tong

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Developing Econometrics

By T. Krishna Kumar, Hengqing Tong, Yangxin Huang

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Developing Econometrics

By T. Krishna Kumar, Hengqing Tong, Yangxin Huang

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Developing Econometrics

By T. Krishna Kumar, Hengqing Tong, Yangxin Huang

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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.