000
00257nam a2200109Ia 4500
008
220201s1987 xx 000 0 eng d
100
_a
TAHA HAMDY A
245
0
_a
OPERATIONS RESEARCH
260
_a
LONDON
_b
MACMILLAN PUB
_c
1987
300
_a
876
942
_2
ddc
999
_c
92938
_d
92938