经营战略管理 Business Strategy Management 石油大学工商管理学院 Business School, University of Petroleum, Beijing 孙仁金02/25/2003 C Renjin Sun, February 11, 2003经营战略管理 Business Strategy Management 石油大学工商管理学院 Business School, University of Petroleum,Beijing 孙仁金 02/25/2003 © Renjin Sun ,February 11, 2003