United States. General Accounting Office
United States. General Accounting Office. Accounting and Information Management Division
United States. Congress. Senate. Committee on Labor and Human Resources.
Canada. Parliament. House of Commons.
France
United States. Congress. House. Committee on Appropriations
Robert C. Trojanowicz
United States
Russia (Federation)
Michigan. Office of the Auditor General.
Poland.
Ben A. Hirst