Norlin, Julia M. <br/><br/>
Human behavior and the social environment :  social systems theory / 
Julia M. Norlin, Wayne A. Chess. 
 - 3rd ed. 
 - Boston :  Allyn and Bacon,  c1997. 
 - xvi, 432p. : ill. ; 23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>020515929X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service<br/>Social systems<br/>Social systems--Mathematical models<br/>Human behavior
<br/><br/><label>LC Class. No.: </label>HV40   / N77 1997