005130000a22001930004500 PH-MaWHO 20241108112120.0 Ackoff, R.L 643957 Hertz, D.B. 643958 Eddison, R.T. ed. 643959 Progress in operations research, vol. 1-12. New York : John Wiley, 1961. (Publications in operations research) 2v. ZAM 1961-64 eng Operations research 255327 MONO 1173 1173 0 0 0 0 WPRO WPRO 2021-05-23 0 ZAM 1961-64 01173 2024-01-24 00:00:00 2021-05-23 MONO