Yang Du
![Yang Du](https://upload.wikimedia.org/wikipedia/commons/1/15/Yang_Duo.jpg)
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Published: 2009.
Superior document: The Chinese Academy of Social Sciences Yearbooks: Population and Labor, Volume 1
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Published: 2010.
Superior document: Chinese Academy of Social Sciences yearbooks. Population and labor ; v. 2
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“...Du Yang , Qu Yue and Cai Fang --...”
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“...Du Yang , Cai Fang , Qu Xiaobo and Cheng Jie --...”
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Published: c2008.
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