Cruz,Liwayway L. Memije. <br/><br/>
Ecology/ 
Liwayway L. Memije Cruz. 
 - Manila:  Booklore Pub Corp. ,  c2000. 
 - 197 pages:  illustrations 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9718170170 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>574.5