text Jakarta Lembaga Penerbit UI 1991 xii, 247 p. 30 cm OPERATION RESEARCH RISET OPERASI 519 519 979-8140-17-6 INLIS000000000004709 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)