text Jakarta Grmedia 1992 Cet.2 ind viii, 84 hlm 21 cm oleh Jarot Hadi Bibliografi : hlm. 83-84 Virus Komputer 001.644 2 20090227024951.0 YOGYA-02090000035044 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)