na INLIS000000000001632 20240805013620 0010-1023000009 Operations Research : Jilid 2 / Siswanto Siswanto Jilid 2 370 hlm ; 26 cm Jakarta : Erlangga, 2007 658.401 658.401 SIS o 979-781-836-5 240805 0 Siswanto 00000005635