Evaluation of complex systems / 
editor Ronald J. Wooldridge 
 - San Francisco  Jossey - Bass pub.  1981 
 - 97p.  ill.  26cm 
<br/><br/><label>ISBN: </label>0875898572 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (social action programs)