000
00253nam a22001097a 4500
003
OSt
100
_a
N. C. E. R. T.
245
_a
Computer Application in Business : Class XI
260
_a
New Delhi
_b
N. C. E. R. T.
_c
2001
300
_a
p.47
942
_2
ddc
_c
BK
999
_c
4148
_d
4148