na YOGYA-02090000046280 20090227031119.0 ind 979-763-122-2 010-020900000046280 005.8 005.8 Sim P DEP SIMARMATA, Janner Pengamanan sistem komputer Janner Simarmata ; editor, Fl. Sigit Suyantoro Yogyakarta Andi 2006 xx, 252 hlm ilus 23 cm Bibliografi : hlm. 249-252 Komputer - Keamanan Suyantoro, Fl. Sigit YOPDYOG (M) 02-07-2007 1 CB-D.11 2006-023h