text Jakarta Elex Media Komputindo 1990 Cet. 4 ind vii, 88 hlm ilus 21 cm Fx. Sutiono Gunadi Bibliografi : hlm. 88 DOS (Program komputer) 001.6425 20090227040224.0 YOGYA-02090000063792 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)