text Yogyakarta BPFE 1985 ix, 318 hlm . : ilus . ; 21 cm. INSUKINDRO Matematika bisnis 519 20211214112507 YOGYA000000000012184 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)