000
00282nam a2200121Ia 4500
008
220201s2003 xx 000 0 eng d
100
_a
GUPTA P K
245
0
_a
OPERATIONS RESEARCH
260
_a
DELHI
_b
S CHAND AND SONS
_c
2003
300
_a
1055
700
_a
HIRA D S
942
_2
ddc
999
_c
92665
_d
92665