The cell files micro / 
Discovery Channel School. 
 - Philippines:  Discovery Communication inc,  2005. 
 - 32 p.  col, ill. 
<br/><br/>
<br/><br/><label>ISBN: </label>9712715256 
<br/><br/><label>Dewey Class. No.: </label>ST 574.87  / C331 2005 c.1