7Botosan, C. A. 1997. Disclosure level and the cost of equity capital. The Accounting Review, 72 (1) : 323 -349.
8Ernst & Ernst. Social responsibility disclosure. Cleveland: Ernst & Ernst, 1971 - 1976.
9Foster, George. 1986. Financial statement analysis. Englewood Cliffs, N. J. : Prentice- Hill.
10Leftwich, Richard, Watts, Ross L. , and Zimmerman, Jerold L. 1981. Voluntary corporate disclosure: The case of interim reporting. Journal of Accounting Research, Supp. 19 : 50 - 77.
10Brown, N., Deegan C.The public disclosure of environmental performance information?A dual test of media agenda setting theory and legitimacy theory[J].Accounting and Business Research, 1998, 29( 1 ) :21-41.
