000 00324nam a22001337a 4500
020 _a9788180544620
082 _a519.5
_bGUP/E
100 _aGupta, S.P
245 _aElementary statistical methods, vol.2
260 _aNew Delhi
_bSultan Chand & Sons
_c2006
300 _a30p.
650 _aStatistical methods
942 _cBK
999 _c42090
_d42090