000 00314nam a2200121Ia 4500
008 220201s1961 xx 000 0 eng d
082 _a510
_bGUP
100 _aGupta (Reference )
245 0 _aCommercial Mathematics Including Statistics
260 _bCalcutta Basu Publisher
_c1961
300 _a525p.
942 _2ddc
999 _c1989
_d1989