%A CANG Ping, WU Jun-Min, WANG Hong %T %0 Journal Article %D 2010 %J Journal of Guizhou University of Finance and Economics %R %P 64- %V 28 %N 6 %U {https://gcxb.gufe.edu.cn/CN/abstract/article_8401.shtml} %8 2010-11-15 %X

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