000 00323nam a2200121Ia 45e0
008 180501s2018 xx 000 0 und d
100 _aDR.S.D. SHARMA
245 0 _aOPERATIONS RESEARCH
260 _bKEDAR NATH
300 _a559
650 _aCOM
942 _2ddc
_cBK
999 _c1488
_d1488