000 00263nam a2200121Ia 4500
100 _aGupta, S. P
250 _a7th ed
942 _cBK
245 _aAdvanced Practical Statistics
260 _aS. Chand, New Delhi
_c1991
082 _a311 Gup
300 _aviii, 824
999 _c33029
_d33029