![](/img/cover-not-exists.png)
On Purposeful Systemsby Russel L. Ackoff; Fred E. Emery
Review by: Kristo IvanovVolume:
16
Year:
1973
Language:
english
Journal:
Acta Sociologica
DOI:
10.2307/4193971
File:
PDF, 222 KB
english, 1973