GAO report on duplication of government programs : focus on welfare and related programs : hearing before the Subcommittee on Human Resources of the Committee on Ways and Means, U.S. House of Representatives, One Hundred Twelfth Congress, first session, April 5, 2011.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2011.