Obra, Leodencio T. <br/><br/>
Basic biology. 

 - Quezon City :  St. Bernadette Publishing House Corp,  c2004. 
 - 507 p. :  ill. ;  28 cm. 
<br/><br/> Includes references (p.507). 
<br/><br/><label>ISBN: </label>9716213409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.