000 00282nam a2200133Ia 4500
100 _aGupta/S.P.
250 _a12
942 _cBK
654 _astatistical
245 _aStatistical methods
260 _bSultan chand and sons
_aNew Delhi
_c1979
546 _aENGLISH
999 _c31882
_d31882