Smith,B.J. <br/><br/>
Environmental Science 
B.J.Smith 
 - Malaysia  Longman  1996. 
 - 502p. 
<br/><br/> P.B 
<br/><br/><label>ISBN: </label>0582416205 
<br/><br/><label>Dewey Class. No.: </label>721 SMI