Penecilla, Gerard L. <br/><br/>Basic concepts in Biology  / Gerard L. Penecilla.--  -- Bulacan:  Trinitas Pub.,  2003. <br/>291 p. :  ill. ;  25 cm. <br/><br/> Includes bibliographical references and index. <br/><br/><label>ISBN: </label>9714203341 <br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.<br/><br/><label>Dewey Class. No.: </label>Fil 574 B292 2003