7[5]L.L.Eng,Y.T.Mak.Corporate governance and voluntary disclosure.Journal of accounfing and Pulicy.2003.22:325-345
8[6]Ferguson,Lam and Lee.Voluntary disclosure by State-owned enterprises listed on the stock exchange of HongKong.Journal of International financial management and Accounang.2002.13(2):125-151.
9[7]Belkaoui.Their impact of the disclosure of the environmental effects Organizational behavior On the market.Financial Management.1976.5:26-31.
10[8]Ferdin,A.Gul,sindey Leung.Board leadership,outside directors'expertise and voluntary Corporate disclosures.Journal of Accounting and Publicy.2004.23.351-379.
