On purposeful systems
Ackoff, Russell L
On purposeful systems - London: Tavistock Publications, 1972 - xii, 288p.
Human behavior
Modeling situation Social systems
D 007:301 / L2
On purposeful systems - London: Tavistock Publications, 1972 - xii, 288p.
Human behavior
Modeling situation Social systems
D 007:301 / L2