Human behavior and the social environment  social systems theory. 

 - 5th ed.  Orren Dale ... [et al.]. 
 - Boston  Pearson/Allyn and Bacon  c2006. 
 - xiii, 440 p.  ill.  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>020544606X 
<br/><br/><label>LCCN: </label>2005047554 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service<br/>Human behavior<br/>Social systems--Mathematical models.<br/>Social systems
<br/><br/><label>LC Class. No.: </label>HV40  / .H7813 2006 
<br/><br/><label>Dewey Class. No.: </label>361.32  / H9181 2006