000 00330nam a2200133Ia 4500
008 221001s1987 xx 000 0 eng d
082 _a519.5 GUP
100 _aGupta, S. P.
245 0 _aStatistical methods
250 _a23rd ed.
260 _aNew Delhi
_bSultan Chand
_c1987
300 _aVarious pagination.
942 _2ddc
_cBK
999 _c24515
_d24515