000
00293nam a2200133Ia 4500
100
_a
Gore/M./ Stubbe/J.
942
_c
BK
654
_a
Systems analysis
245
_a
Elements of Systems analysis
260
_b
Galgotia
_a
New Delhi
_c
1983
082
_a
4.21
546
_a
ENGLISH
999
_c
35465
_d
35465