000
00301nam a2200133Ia 4500
008
220901s2014 xx 000 0 eng d
082
_a
658.4034 GUP
100
_a
Gupta, Kumar
245
0
_a
Operations research
250
_a
7
260
_b
S.Chand
_c
2014
_a
Delhi
300
_a
1498
942
_2
ddc
_c
BK
_0
1
999
_c
734
_d
734