text Jakarta Gramedia pustaka utama 1992 ind xii,246 hlm ilus 21 cm Zulkifli Amsyah Bibliografi : hlm. 243 Manajemen 658 YOPDYOG 20090227024454.0 YOGYA-02090000030368 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)