000 00270nam a2200109Ia 4500
008 191213s2019 xx 0 und d
082 _a658/RAY
100 _aRayarikar, A.V.
245 _aBusiness Mathematics
260 _aMumbai
_bNirali prakashan
_c2019
300 _a150
999 _c218831
_d218831