text Jakarta Elex Media Komputindo 1987 Cet. 1 ind vii, 135 hlm ilus 21 cm Herwinsyah Rusianto Bibliografi : hlm. 135 Base (Program komputer) 20090227020507.0 YOGYA-02090000002010 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)