000 00270nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aHarswaroop Sharma
245 0 _aDescriptive statistics
260 _aAgra
_bStudents Friends & Co.
_c1974
650 _aMath
942 _cBK
999 _c2716
_d2716