000
00318nam a2200157Ia 4500
020
_a
NULL
082
_a
519
100
_a
Arora, P. N.
245
0
_a
Elementry Statistics
250
_a
-
260
_a
N. Delhi
_b
S. Chand and Company Ltd.
300
_a
250
500
_a
167
650
_a
Statistics
942
_c
BK
999
_c
28398
_d
28398