Checkland Peter <br/><br/>
Systems thinking, systems practice 
Checkland Peter 
 - New York  John Wiley U. S. A.       1981 
 - xiv, 330p. Bibliography p.299-311; Appendix p.286-98  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operational Management
<br/><br/><label>Dewey Class. No.: </label>X:8:(B2893), M1