Last, John M. <br/><br/>
Public health and human ecology 
John M. Last. 
 - 2nd  ed. 
 - New Delhi  Prentice Hall  1998 
 - xiii, 464p., 24cm. 
<br/><br/><label>ISBN: </label>0-8385-8127-7. 
<br/><br/><label>Dewey Class. No.: </label>362.1  / L25P