Ackoff, R. L., & And Demery , F. E. (1972). 6n Purposeful systems: An inteerdiciplinary analysis of individual and social behavior as a system of purposeful events.
Styl cytowania ChicagoAckoff, Russell L., i Fred E. And Demery. 6n Purposeful Systems: An Inteerdiciplinary Analysis of Individual and Social Behavior as a System of Purposeful Events. 1972.
Styl cytowania MLAAckoff, Russell L., i Fred E. And Demery. 6n Purposeful Systems: An Inteerdiciplinary Analysis of Individual and Social Behavior as a System of Purposeful Events. 1972.
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