Levin, Richard . Quantitative approaches to management / Richard I. Levin, David S. Rubin and Joel P. Stinson. - NewDelhi : McGraw Hill , 1986. - 796p. : ills ; 23cm . NULL ISBN: 0070374678 USD 10.50 Subjects--Index Terms: OPERATION RESEARCH Dewey Class. No.: 685.4034 / LEV/Q