00450nam a2200145Ia 45000010006000000050017000060080041000230200018000640500017000821000018000992450124001172600039002413000011002806500013002913201220230531230921.0140708s2009    cc       b    000 0 chi d  a978730220702300aHC445b.C5181 achen, guo hai10ashang ke xue wei lun wen xie zuo yu yan jiu fang fa=b商科学位论文写作与研究方法 /cchen, guo hai.h[book]  abeijing :bqing hua da xue,c2009.  a314 p. 4aEconomic