na INLIS000000000004654 20230328103259 0010-0618004654 230328 | | 658.403 4 658.403 4 SIS O Siswanto Operations Research Jakarta : Erlangga, 2009 KEGIATAN PENELITIAN cet.2 Dinas Perpustakaan dan Kearsipan Prov. Kaltim 2 Jilid. Lengkap 1376/P09 1373/P09 1375/P09 1371/P09 1370/P09 1369/P09 1374/P09 1372/P09