Gacelo, Ester P. <br/><br/>
Biological science with practical applications / 
Ester P. Gacelo. 
 - Quezon City :  C & E Pub,  2007. 
 - xii, 157 p.:   ill.  26 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-971-584-520-5 
<br/><br/><label>LC Class. No.: </label>570 G11b