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100   $a20220126d2021      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCritical infrastructure protection $eEducation should take additional steps to help protect K-12 schools from cyber threat: report to congressional requesters
210  1$aWashington, DC :$cUnited States Government Accountability Office,$d2021.
215   $a1 online resource (ii, 37 pages) $ccolor illustrations
300   $a"October 2021."
300   $a"GAO-22-105024."
320   $aIncludes bibliographical references.
517   $aCritical infrastructure protection 
606   $aCOVID-19 (Disease)
606   $aInfrastructure (Economics)$xSecurity measures$zUnited States
606   $aComputer security$zUnited States$xEvaluation
606   $aCyberterrorism$zUnited States$xPrevention$xEvaluation
615  0$aCOVID-19 (Disease)
615  0$aInfrastructure (Economics)$xSecurity measures
615  0$aComputer security$xEvaluation.
615  0$aCyberterrorism$xPrevention$xEvaluation.
801  0$bGPO
801  1$bGPO
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910717166403321
996   $aCritical infrastructure protection$92658893
997   $aUNINA