【2013】 Constructing Quality: The Classification of Goods in Markets

Thanks Very Much !

Thanks for sharing

顶，支持 免费分享。

thanks

in my professional life, i find one of the hardest things to do is to measure quality, how can you construct it if you can't measure it well...

很好的一本书，感谢分享

好东西，学习一下

looks interesting