TY - BOOK AU - chen,guo hai TI - shang ke xue wei lun wen xie zuo yu yan jiu fang fa=: 商科学位论文写作与研究方法 SN - 9787302207023 AV - HC445 .C518 PY - 2009/// CY - beijing PB - qing hua da xue KW - Economic ER -