na INLIS000000000004257 20150212152941.0 a 141118 1987 jki f ind 979-8034-74-0 010-111400000000191 [21] 658.57 658.57 Sia p SIAGIAN. P Penelitian operasional teori dan praktek / P. Siagian Cet.1. Jakarta : Universitas Indonesia (UI-Press), 1987 ix, 629 hlm. ; 22 cm Bibliografi : hlm 627-629 RISET OPERASI SUPUDES 3121/KPAD/DS/2006