01411oam 2200397 450 991071729560332120220228094712.0(CKB)5470000002529266(OCoLC)1295219974(OCoLC)1294779828(EXLCZ)99547000000252926620220120d2021 ua 0engurunu||||||||txtrdacontentcrdamediacrrdacarrierBorder security metrics progress made, but DHS should take additional steps to improve information quality : report to congressional committees[Washington, D.C.] :[United States Government Accountability Office],2021.1 online resource (iii, 56 pages) color illustrations"November 2021.""GAO-22-104651."Includes bibliographical references.Border security metrics Border securityUnited StatesManagementBorder securityUnited StatesStatistical methodsTransparency in governmentUnited StatesBorder securityManagement.Border securityStatistical methods.Transparency in governmentLVTLVTGPOBOOK9910717295603321Border security metrics3476241UNINA