000 00344nam a2200133Ia 4500
008 210901s1991 xx 000 0 eng d
082 _a311 GUP
100 _aGupta, S. P.
245 0 _aAdvanced practical statistics
250 _a7 rev. ed.
260 _aNew Delhi
_bS. Chand and Company Ltd.
_c1991
650 _aStatistics
942 _2ddc
_cBK
999 _c20068
_d20068