000 00317nam a2200121Ia 4500
008 210423s9999 xx 000 0 und d
100 _aO.P.Gupta & D.P. Gupta
245 0 _aCommerce Mathematics for B.com I
260 _bDelhi
_a Kantilya Prakashen
_c1978
300 _a254/219
650 _aMathematics
942 _cBB
999 _c16824
_d16824