000 00372n a2200169 a 4500
000 B B
001 002487
005 20220201163417.0
082 _a519.3
_bM89
100 _aGupta, SP
245 _aElementry Statistical Methods
250 _a8th
260 _aDelhi
_bSultan Chand
_c1989
300 _aiv,596
690 _aCommerce,Statistics
908 _aG
999 _c2484
_d2484