000
00267nam a2200121Ia 4500
008
211126s9999 xx 000 0 und d
082
_a
3
100
_a
PREM KUMAR GUPTHA
245
0
_a
OPERATIONS RESEARCH
260
_b
S CHAND
365
_b
175.00
942
_c
BTECH
999
_c
136760
_d
136760