Checkland, Peter. <br/><br/>
Systems thinking, systems practice :  Includes a 30 year retrospective / 
Peter Checkland 
 - Chichester :  J. Wiley,  c1999 
 - xiv, 330 p. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 299-311. 
<br/><br/><label>ISBN: </label>0471986062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System theory.
<br/><br/><label>Dewey Class. No.: </label>003  / CHE