search query: @author Cheng, Jingyun / total: 1
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| title | year | author | ||
| 1. |
Economic Science (c)
1999 : 1, p.20-23 |
1999 | Cheng, Jingyun Qiao, Xinhua |
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SCIMA
| title | year | author | ||
| 1. |
Economic Science (c)
1999 : 1, p.20-23 |
1999 | Cheng, Jingyun Qiao, Xinhua |