1Executive office of the President of the United States. Information technology budget fiscal year 2009[EB/OL]. (2008-04-15). http ://www. whitehouse. gov/OMB /egov/documents/ FY09_IT_Budget_Rollout_AprilUpdate.pdf
2Executive Office of the President of the United States. Report to Congress of the Benefits of the President's E-Government Initiatives: Fiscal Year 2008[EB/OL]. [2008-07-28]. http://www.whitehouse.gov/omb/egov/documents/FY08_Benefits_Report. pdf
3Executive office of the president of the United states. FEA Reference Model Mapping Quick Guide:FY09 Budget Preparation[EB/OL]. [2008- 07-28]. http : / /www. whitehouse . gov /omb /egov/documents / FY09_Ref _Model_Mapping_OuickGuide_July_2007.pdf
4Executive Office of the President of the United States. Report to Congress on the Benefits of the President's E-Government Initiatives Fiscal Year 2007[EB/OL]. [2008-07-28]. http://www.whitehouse.gov/omb/egov/documents/FY07_Benefits_Report. pdf
5Executive Office of the President of the United States. Report to Congress on the Benefits of the President's E-Government Initiatives: Fiscal Year 2007[EB/OL]. [2008-07-28]. www. whitehouse.gov/ omb/egov/documents/FY07_Benefits_Report.pdf
