Davies, Lynda. <br/><br/>
Information in action : soft systems methodology / 
Lynda Davies, Paul Ledington. 
 -  Macmillan  1991. 
<br/><br/>5635 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System theory.<br/>System analysis.
<br/><br/><label>LC Class. No.: </label>Q295  / Dav.