000 00294nam a2200133Ia 4500
100 _aGupta/ S.P.
942 _cBK
654 _aStatistical methods
245 _aStatistical methods
260 _bSultan Chand & Sons
_aNew Delhi
_c1981
082 _a519.5
300 _a469
546 _aENGLISH
999 _c31880
_d31880