000 00274nam a2200121Ia 4500
008 220201s2017 xx 000 0 eng d
100 _aVERMA A P
245 0 _aOPERATIONS RESEARCH
250 _a8
260 _aDELHI
_bKATSON PUB HOUSE
_c2017
300 _a558
942 _2ddc
999 _c93800
_d93800