na INLIS000000000001254 20230104124218 0010-0123000032 ta 230104 g 0 ind 979-763-122-2 658.478 658.478 JAN p Janner Simarmata Pengamanan Sistem Komputer : - / Janner Simarmata 1, cet.ke-1 Yogyakarta : ANDI, 2006 xx, 252 hlm : ilus. ; 14 x 21 cm - Komputer hlm. 252 20120011152 20120011153 20120011156