text Jakarta Haji Masagung 1990 Cet. 2 ind xi, 258 hlm ilus 21 cm S.P. Siagian Bibliografi : hlm. 257-258 Pengambilan keputusan 658.403 979-412-101-0 20090227024743.0 YOGYA-02090000033190 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)