search query: @author Zhang, Rigang / total: 1
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| title | year | author | ||
| 1. |
Modern Economic Science (c)
1999 : 5, p.52-56 |
1999 | Zhang, Rigang |
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| title | year | author | ||
| 1. |
Modern Economic Science (c)
1999 : 5, p.52-56 |
1999 | Zhang, Rigang |