Social Security's payment accuracy : joint hearing before the Subcommittee on Oversight and Subcommittee on Social Security of the Committee on Ways and Means, U.S. House of Representatives, One Hundred Twelfth Congress, first session, June 14, 2011.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2011.