na INLIS000000000003820 20130515140834 ind 979-518-908-5 0010-051300000003820 ind 001.4 001.4 Dwi Hayu, Agustini Riset Operasional Cetakan : 1 Jakarta Rineka Cipta 2004 ix, 226 hlm. ;23.5 cm. Riset Oprasional Yus Endra, Rahmadi