text Yogyakarta STIE Gama 1992 ind viii, 56 hlm ilus 21 cm Soehardi Sigit Skripsi dan penelitian 808.02 20090227040011.0 YOGYA-02090000062022 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)