Assessing efforts to eliminate improper payments : hearing before the Federal Financial Management, Government Information, Federal Services, and International Security Subcommittee, Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Twelfth Congress, first session, May 25, 2011.
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Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2012.