00694nam a22001931 4500 1/8608 990719s1968 enk 1 eng d 8928 DLC GR-PeUP 658.4 AC Ackoff, Russell Lincoln 1919- Fundamentals of operations research / Russell L.Ackoff, MauriceW. Sasieni. New York : John Wiley & Sons, 1968 ix,455 p.: tabl.,fig.; 20 cm. Includes index. Operations research. Sasieni, Maurice W. INST UNIPILB MAIN 20040709 658.4 AC 00107806 00107806 LOAN 0 1 INST UNIPILB MAIN 20040709 658.4 AC 00131143 00131143 LOAN 0 2