000 00306nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a311 GUP:E
100 _aGupta, S. P.
245 0 _aElementry Statistical methods
260 _aNew Delhi
_bSultan Chand & Sons
_c2005
942 _cWD
999 _c30346
_d30346