text Jakarta Bina Aksara 1983 Cet. 1 ind ix, 135 hlm. : ilus. ; 21 cm. R.S. Stainton ; editor, Sahat Simamora ; penerjemah, Lailahanoum Hasyim Judul asli : Operational research and its management applications Metode penelitian 20150528085942.0 YOGYA-02090000022173 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)