<P>1、ANUP AGRAWAL and CHARLES R. KNOEBER ,1996:Firm Performance and Mechanisms to Control </P>
<P>Agency Problems Between Managers and Shareholders<BR>2、Catherine M. Daily , Dan R. Dalton,1993 :Board of Directors Leadership and Structure: </P>
<P>Control and Performance Implications <BR>3、Donaldson, L. and&nbsp; Davis, J.H, 1994. Boards and company performance: research challenges </P>
<P>the conventional wisdom<BR>4、Ford , H.,1988:Outside Directors and The Privately2owned Firm: Are They Necessary<BR>5、Bhagat, S., and Black, B., 1997, Do Independent Directors Matter ? </P>