text Jakarta Elex Media Komputindo 1989 ind xiii, 121 hlm. : ilus. ; 21 cm. Murniadi Indeks DOS (Program komputer) 001.642 20150610132919.0 YOGYA-02090000004789 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)