000
00293nam a2200121Ia 4500
008
190711s9999 xx 000 0 und d
082
_a
658.502 G666
100
_a
GORE,M
245
0
_a
ELEMENTS OF SYSTEMS ANALYSIS
260
_a
NEW DELHI
_b
Galgotia
_c
1983
300
_a
24X18
942
_c
BK
_2
DDC
999
_c
24008
_d
24008