361.3/2 <br/>

   Norlin, Julia M.<br/>
                  Human behavior and the social environment :  social systems theory / 
Julia M. Norlin, Wayne A. Chess. 
 - 3rd ed. 
 - Boston :  Allyn and Bacon,  c1997. 
 - xvi, 432 p. :  ill. ;  25 cm. -
<br/><br/> Chess's name appears first on the earlier editions. 
Includes bibliographical references and index. <br/>
<br/><br/>                 <label>ISBN: </label>020515929X 
<br/><br/>                 <label>Түлхүүр үг: </label>Social service., Social systems., Social systems, Mathematical models.Human behavior.,