Hawley,Amos H. <br/><br/>
Human Ecology :  A Theory Of Community Structure  
Amos H Hawley 
 - Islamabad  National Book Foundation  2006 
 - 456 p. 
<br/><br/> H.B 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Dewey Class. No.: </label>304.2 HAW