000
00261nam a22001217a 4500
020
_a
8170296277
082
_a
004.2
_b
SKI
100
_a
Skidmore Steve
245
_a
Indroducing Systems Analysis
250
_a
2nd
260
_a
New Delhi
_b
BPB Publication
942
_c
BK
999
_c
69
_d
69