Davies, Lynda.
Information in action : soft systems methodology / Lynda Davies, Paul Ledington. - Macmillan 1991.
5635
System theory.
System analysis.
Q295 / Dav.
Information in action : soft systems methodology / Lynda Davies, Paul Ledington. - Macmillan 1991.
5635
System theory.
System analysis.
Q295 / Dav.