000 00303nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _asatyanarayana Raman
245 _amanagement of operation research
260 _bDelhi: Himalayan
_c1987
300 _a463p.
650 _aManagement
999 _c2023
_d2023