8Franklin, Mitchell, 2007, "Sarbanes Oxley Section 404: Can Material Weakness Be Predicted and Modeled? An Examination of the ZETA Model in Prediction of Material Weakness" , Doctoraldissertation, Walden University.
9Ge, Weili., and Sarah McVay,2005, "The Disclosure of Material Weaknesses in Internal Control after the Sarbanes-Oxley Act", Accounting Horizons, 19 (3) ,137-158.
10Jayanthi Krishnan, 2005, "Audit Committee Quality financial expertise and Intemal Control: An Empirical Analysis", The Accounting Review, Vol.80 (2) 649-675.