Ackoff, Russell Lincoln, <br/><br/>
On purposeful systems :  an interdisciplinary analysis of individual and social behavior as a system of purposeful events / 
Russell L. Ackoff, Fred E. Emery ; with a new introduction by Brent D. Ruben. 
 - New Brunswick, N.J. :  Aldine Transaction,  c2006. 
 - xv, 288 p. :  ill. ;  23 cm. 
<br/><br/> Originally published: London : Tavistock Publications, 1972. 
<br/><br/><label>ISBN: </label>0202307980 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Methodology.<br/>Social systems.
<br/><br/><label>Dewey Class. No.: </label>301.15  / ACK N72O