text Yogyakarta BPFE 1985 Cet. 1 ind viii, 159 hlm 21 cm W. Arga Bibliografi : hlm. 159 Program linear 20090227020711.0 YOGYA-02090000004295 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)