000 00237nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aRAVINDRAAN A
245 0 _aOPERATION RESEARCH PRINCIPAL
260 _bWILEY STUDENT
942 _2ddc
_cBTECH
999 _c8171
_d8171