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Defense management
Enke, Stephen, (1967)
Forecasting methods in business and management
Firth, Michael Anthony, (1977)
Metoda modelowania w projektowaniu systemów zarza̢dzania
Machaczka, Józef, (1984)
Formalization of the O.R. process: an extended review
Bowen, K. C., (1977)
Purposeful systems and operational research
Bowen, K. C., (1975)
A question of size
Bowen, K. C., (1979)