chen, guo hai 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 / [book] chen, guo hai. - beijing : qing hua da xue, 2009. - 314 p. ISBN: 9787302207023 Subjects--Topical Terms: Economic LC Class. No.: HC445 / .C518