search query: @author Cheng, Ping / total: 1
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| title | year | author | ||
| 1. |
Economic Science (c)
1998 : 4, p.46-54 |
1998 | Ding, Ling Cheng, Ping |
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| title | year | author | ||
| 1. |
Economic Science (c)
1998 : 4, p.46-54 |
1998 | Ding, Ling Cheng, Ping |