000 00295nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a620.716 S531
100 _aSHARMA,S.D
245 0 _aOPERATION RESEARCH
260 _aMEERUT
_bKedar Nath Ram Nath
_c1993
300 _a22X14
942 _cBK
_2DDC
999 _c17472
_d17472