四大国有商业银行的收缩战略研究--从规模经济的角度探讨银行实施收缩战略的必要性
사대국유상업은행적수축전략연구--종규모경제적각도탐토은행실시수축전략적필요성
Research on the downsizing and downscoping of the four major state - owned commercial banks in China --from a prospective of the economies of scale