000			00410cam a22001457a 4500
008			180718b1976 xxu||||| |||| 00| 0 eng d
082			_aI552 Op7
100			_aOptner, S.L.
245			_aSystems analysis for business management _cby S.L. Optner
250			_a3rd ed.
260			_aEnglewood Cliffs _bPrentice-Hall _c1976
300			_a381p.
650			_aIndustrial management
650			_aOperations research
999			_c351034 _d351034