search query: @author Si, Yongdong / total: 1
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| title | year | author | ||
| 1. |
Economic Science (c)
1999 : 1, p.34-38 |
1999 | Si, Yongdong |
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SCIMA
| title | year | author | ||
| 1. |
Economic Science (c)
1999 : 1, p.34-38 |
1999 | Si, Yongdong |