Checkland, Peter. <br/><br/>
Soft systems methodology in action / 
Peter Checkland, Jim Scholes. 
 - Chichester :  Wiley,  c1990. 
 - xv, 329 p. :  ill. ;  23 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Includes bibliographical references :p. 317-322. 
<br/><br/><label>ISBN: </label>0471927686 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System theory.<br/>System analysis.