000
00283nam a2200109Ia 4500
008
190914s9999||||xx |||||||||||||| ||und||
100
_a
O,Brien,james A.
245
0
_a
Introducation to Information Systems
260
_a
New Delhi
_b
Tata McGraw Hill
_c
1998
300
_a
912
942
_c
BK
999
_c
9649
_d
9649