000
00236nam a2200097 4500
082
_a
519.5 GUP/STA
100
_a
Gupta, S P
245
_a
Statistical method
_c
by Gupta, S P
260
_a
New Delhi
_b
Sultan chand & Sons
_c
1993
942
_c
BK
999
_c
380771
_d
380771