000 00355nam a2200157Ia 4500
008 230913s9999 xx 000 0 und d
082 _a519.5 GUP
100 _a, C.B.Gupta
245 0 _aIntroduction To Ststistical Methods
250 _aXXI
260 _aNEW DELHI
260 _bVIKAS
260 _c2000
300 _a775
650 _aMathematics
999 _c139388
_d139388