Internal control weaknesses at the Department of Homeland Security : hearing before the Subcommittee on Government Organization, Efficiency, and Financial Management of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, first session, October 27, 2011.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2012.