Velasco, Virginia S. <br/><br/>
Chemistry:  Matter and its changes/ 
by Virginia S. Velasco 
 - Malabon City :  Jimczyville Publications,  c2010 
 - v, 302p.:  ill.  23cm. 
<br/><br/> Includes bibliography. 
<br/><br/><label>ISBN: </label>978-961-0508-20-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>BFil. 540  / V541c