Royston, Angela <br/><br/>
Soft and hard 
 Malambot at matigas 
/ Angela Royston, awtor ng orihinal na Ingles 
 - 34 pages :  color illustrations 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789719968399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Juvenile literature<br/>Hardness--Juvenile literature
<br/><br/><label>Index Terms--Genre/Form: </label>
<br/><br/><label>Dewey Class. No.: </label>500