na INLIS000000000001124 20180806102329 0010-0418001086 ta 180806 g 0 ind 979-20-3718-7 005.8 005.8 RAH m Rahmat Rafiudin Menguasai Security UNIX Jakarta : Elex Media Komputindo, 2002 420 hlm ; 19x23 cm Security 02305/SAL/P