Gacelo, Ester P. <br/><br/>
Biological science with practical applications. / 
Ester P. Gacelo. 
 - Quezon City:  C&E Publishing,  c2007. 
 - xii, 137 p. : figs; tables 
<br/><br/> Includes bibliography 
<br/><br/><label>ISBN: </label>978-971-584-520-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Study and teaching--Activity program