Simplified text in Science and Technology. 

 - 2005 edition. 
 - Caloocan City :  Smartbooks Publishing,  c2005. 
 - 156 p. :  black and white illustrations ;  14 cm.,  paperback. 
<br/><br/><label>ISBN: </label>9719297123 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Dictionaries.
<br/><br/><label>Dewey Class. No.: </label>Fil 413 Si1612 2005