000
nam a22 7a 4500
999
_c
7172
_d
7172
008
170725b xxu||||| |||| 00| 0 eng d
100
_9
3748
_a
Arora Sumita
245
_a
Foundatiuonm of information technology
260
_a
New Delhi
_b
Dhanapat Rai & co
_c
2013