text Jakarta Rineka Cipta 1992 Cet. 1 ind vii, 135 hlm ilus 21 cm Sudarso Matematika ekonomi 330.1543 979-518-229-3 YOPDYOG 20090227022402.0 YOGYA-02090000014086 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)