Velasquez, Carmen C. <br/><br/>
Modern biology (Philippine version):  with biology investigations. 

 - rev. ed. 
 - xii, 829p.: ill.  25cm. 
<br/><br/><label>ISBN: </label>971-08-5467-4 
<br/><br/><label>Dewey Class. No.: </label>574 V541 1993