00508pamaa2200181 4500 0000015371 20130814090000.0 0071126910 658.4034 QUA T57.6 QUA 1992 QUANTITATIVE approaches to management Richard I. Levin...[et. al]. 8th ed. New York: McGraw-Hill, 1992. xix, 920p.; 26cm. Management science Operations research Levin, Richard I. Rubin, David S.