Vergara, Marlyn Valin <br/><br/>
Interactive lecture demonstrations (ILD's) in reflection and refraction of light 
Marlyn Valin Vergara 
 - Manila  De La Salle University  2010. 
 - 107p. 
<br/><br/>Physics 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Physics
<br/><br/><label>LC Class. No.: </label>CD-00976t