000 00278nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aArora O P
245 0 _aObjective Mathematics
260 _bS Dihesh & Co
_c1998
300 _a1047p
650 _aMathematics
942 _cREF
999 _c36379
_d36379