text Jakarta Multi media 1985 ind ix, 70 hlm ilus 23 cm Oleh Husni Susanto Bibliografi : hlm. 68 Indeks Komputer - Program Cobol 510.78 20090227034612.0 YOGYA-02090000059119 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)