000 00315nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a001.424
_bGUP/O
100 _aGUPTA, P.K.
245 0 _aOPERATIONS RESEARCH AND STATISTICAL ANALYSIS
260 _bS.Chand and Company Ltd., New Delhi
_aNew Delhi
_c1998
942 _cBK
999 _c9863
_d9863