Darmawan, Michael and Widyastuti, Diana (2009) The Comparative Analysis in the Implementation of Good Corporate Governance in Publicly Listed Company and Privately Owned Company. Bachelor thesis, Swiss German University.

Hardjito, NNilam Dwijayati Waraningtyas and Widyastuti, Diana (2009) The Decision Making Process and the Sectoral Regulations Regarding to the Role of Independent Commissioner in a Public Listed Company. Bachelor thesis, Swiss German University.