%A CA Shao-Hong, XIANG Qiu-Lan %T %0 Journal Article %D 2010 %J Journal of Guizhou University of Finance and Economics %R %P 18- %V 28 %N 5 %U {https://gcxb.gufe.edu.cn/CN/abstract/article_8373.shtml} %8 2010-09-15 %X

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