search query: @author Yu, Youqing / total: 1
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title | year | author | ||
1. |
Economic Review (c)
1993 : 13, p.20-22 |
1993 | Yu, Youqing |
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title | year | author | ||
1. |
Economic Review (c)
1993 : 13, p.20-22 |
1993 | Yu, Youqing |