Basic concepts in biology / 
Gerard L. Penecilla [and five others]. 
 - Bulacan :   Trinitas Publishing, Inc.,  c2003. 
 - [298] pages :  illustrations ;  26 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9714203341 (NP) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>LC Class. No.: </label>QH308.2   / .B37 2003